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-rw-r--r--drivers/net/ethernet/intel/ice/ice_common.c20
-rw-r--r--drivers/net/ethernet/intel/ice/ice_ddp.c39
-rw-r--r--drivers/net/ethernet/intel/ice/ice_lag.c48
-rw-r--r--drivers/net/ethernet/intel/ice/ice_lib.c23
-rw-r--r--drivers/net/ethernet/intel/ice/ice_sched.c56
-rw-r--r--drivers/net/ethernet/intel/ice/ice_sched.h6
-rw-r--r--drivers/net/ethernet/intel/ice/ice_switch.c63
-rw-r--r--drivers/net/ethernet/intel/ice/ice_xsk.c22
-rw-r--r--include/linux/compiler_types.h32
-rw-r--r--include/linux/fortify-string.h4
-rw-r--r--include/linux/overflow.h35
11 files changed, 130 insertions, 218 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c
index 5ed266fdc01b..963e2ffc1e2a 100644
--- a/drivers/net/ethernet/intel/ice/ice_common.c
+++ b/drivers/net/ethernet/intel/ice/ice_common.c
@@ -4790,11 +4790,11 @@ ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues,
enum ice_disq_rst_src rst_src, u16 vmvf_num,
struct ice_sq_cd *cd)
{
- struct ice_aqc_dis_txq_item *qg_list;
+ DEFINE_FLEX(struct ice_aqc_dis_txq_item, qg_list, q_id, 1);
+ u16 i, buf_size = __struct_size(qg_list);
struct ice_q_ctx *q_ctx;
int status = -ENOENT;
struct ice_hw *hw;
- u16 i, buf_size;
if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
return -EIO;
@@ -4812,11 +4812,6 @@ ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues,
return -EIO;
}
- buf_size = struct_size(qg_list, q_id, 1);
- qg_list = kzalloc(buf_size, GFP_KERNEL);
- if (!qg_list)
- return -ENOMEM;
-
mutex_lock(&pi->sched_lock);
for (i = 0; i < num_queues; i++) {
@@ -4849,7 +4844,6 @@ ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues,
q_ctx->q_teid = ICE_INVAL_TEID;
}
mutex_unlock(&pi->sched_lock);
- kfree(qg_list);
return status;
}
@@ -5018,10 +5012,10 @@ int
ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid,
u16 *q_id)
{
- struct ice_aqc_dis_txq_item *qg_list;
+ DEFINE_FLEX(struct ice_aqc_dis_txq_item, qg_list, q_id, 1);
+ u16 qg_size = __struct_size(qg_list);
struct ice_hw *hw;
int status = 0;
- u16 qg_size;
int i;
if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
@@ -5029,11 +5023,6 @@ ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid,
hw = pi->hw;
- qg_size = struct_size(qg_list, q_id, 1);
- qg_list = kzalloc(qg_size, GFP_KERNEL);
- if (!qg_list)
- return -ENOMEM;
-
mutex_lock(&pi->sched_lock);
for (i = 0; i < count; i++) {
@@ -5058,7 +5047,6 @@ ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid,
}
mutex_unlock(&pi->sched_lock);
- kfree(qg_list);
return status;
}
diff --git a/drivers/net/ethernet/intel/ice/ice_ddp.c b/drivers/net/ethernet/intel/ice/ice_ddp.c
index b27ec93638b6..78ed909745fe 100644
--- a/drivers/net/ethernet/intel/ice/ice_ddp.c
+++ b/drivers/net/ethernet/intel/ice/ice_ddp.c
@@ -1560,21 +1560,14 @@ static enum ice_ddp_state ice_init_pkg_info(struct ice_hw *hw,
*/
static enum ice_ddp_state ice_get_pkg_info(struct ice_hw *hw)
{
- enum ice_ddp_state state = ICE_DDP_PKG_SUCCESS;
- struct ice_aqc_get_pkg_info_resp *pkg_info;
- u16 size;
+ DEFINE_FLEX(struct ice_aqc_get_pkg_info_resp, pkg_info, pkg_info,
+ ICE_PKG_CNT);
+ u16 size = __struct_size(pkg_info);
u32 i;
- size = struct_size(pkg_info, pkg_info, ICE_PKG_CNT);
- pkg_info = kzalloc(size, GFP_KERNEL);
- if (!pkg_info)
+ if (ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL))
return ICE_DDP_PKG_ERR;
- if (ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL)) {
- state = ICE_DDP_PKG_ERR;
- goto init_pkg_free_alloc;
- }
-
for (i = 0; i < le32_to_cpu(pkg_info->count); i++) {
#define ICE_PKG_FLAG_COUNT 4
char flags[ICE_PKG_FLAG_COUNT + 1] = { 0 };
@@ -1604,10 +1597,7 @@ static enum ice_ddp_state ice_get_pkg_info(struct ice_hw *hw)
pkg_info->pkg_info[i].name, flags);
}
-init_pkg_free_alloc:
- kfree(pkg_info);
-
- return state;
+ return ICE_DDP_PKG_SUCCESS;
}
/**
@@ -1622,9 +1612,10 @@ static enum ice_ddp_state ice_chk_pkg_compat(struct ice_hw *hw,
struct ice_pkg_hdr *ospkg,
struct ice_seg **seg)
{
- struct ice_aqc_get_pkg_info_resp *pkg;
+ DEFINE_FLEX(struct ice_aqc_get_pkg_info_resp, pkg, pkg_info,
+ ICE_PKG_CNT);
+ u16 size = __struct_size(pkg);
enum ice_ddp_state state;
- u16 size;
u32 i;
/* Check package version compatibility */
@@ -1643,15 +1634,8 @@ static enum ice_ddp_state ice_chk_pkg_compat(struct ice_hw *hw,
}
/* Check if FW is compatible with the OS package */
- size = struct_size(pkg, pkg_info, ICE_PKG_CNT);
- pkg = kzalloc(size, GFP_KERNEL);
- if (!pkg)
- return ICE_DDP_PKG_ERR;
-
- if (ice_aq_get_pkg_info_list(hw, pkg, size, NULL)) {
- state = ICE_DDP_PKG_LOAD_ERROR;
- goto fw_ddp_compat_free_alloc;
- }
+ if (ice_aq_get_pkg_info_list(hw, pkg, size, NULL))
+ return ICE_DDP_PKG_LOAD_ERROR;
for (i = 0; i < le32_to_cpu(pkg->count); i++) {
/* loop till we find the NVM package */
@@ -1668,8 +1652,7 @@ static enum ice_ddp_state ice_chk_pkg_compat(struct ice_hw *hw,
/* done processing NVM package so break */
break;
}
-fw_ddp_compat_free_alloc:
- kfree(pkg);
+
return state;
}
diff --git a/drivers/net/ethernet/intel/ice/ice_lag.c b/drivers/net/ethernet/intel/ice/ice_lag.c
index 4f39863b5537..2c96d1883e19 100644
--- a/drivers/net/ethernet/intel/ice/ice_lag.c
+++ b/drivers/net/ethernet/intel/ice/ice_lag.c
@@ -430,10 +430,11 @@ static void
ice_lag_move_vf_node_tc(struct ice_lag *lag, u8 oldport, u8 newport,
u16 vsi_num, u8 tc)
{
- u16 numq, valq, buf_size, num_moved, qbuf_size;
+ DEFINE_FLEX(struct ice_aqc_move_elem, buf, teid, 1);
struct device *dev = ice_pf_to_dev(lag->pf);
+ u16 numq, valq, num_moved, qbuf_size;
+ u16 buf_size = __struct_size(buf);
struct ice_aqc_cfg_txqs_buf *qbuf;
- struct ice_aqc_move_elem *buf;
struct ice_sched_node *n_prt;
struct ice_hw *new_hw = NULL;
__le32 teid, parent_teid;
@@ -505,26 +506,17 @@ qbuf_none:
goto resume_traffic;
/* Move Vf's VSI node for this TC to newport's scheduler tree */
- buf_size = struct_size(buf, teid, 1);
- buf = kzalloc(buf_size, GFP_KERNEL);
- if (!buf) {
- dev_warn(dev, "Failure to alloc memory for VF node failover\n");
- goto resume_traffic;
- }
-
buf->hdr.src_parent_teid = parent_teid;
buf->hdr.dest_parent_teid = n_prt->info.node_teid;
buf->hdr.num_elems = cpu_to_le16(1);
buf->hdr.mode = ICE_AQC_MOVE_ELEM_MODE_KEEP_OWN;
buf->teid[0] = teid;
- if (ice_aq_move_sched_elems(&lag->pf->hw, 1, buf, buf_size, &num_moved,
- NULL))
+ if (ice_aq_move_sched_elems(&lag->pf->hw, buf, buf_size, &num_moved))
dev_warn(dev, "Failure to move VF nodes for failover\n");
else
ice_sched_update_parent(n_prt, ctx->sched.vsi_node[tc]);
- kfree(buf);
goto resume_traffic;
qbuf_err:
@@ -755,10 +747,11 @@ static void
ice_lag_reclaim_vf_tc(struct ice_lag *lag, struct ice_hw *src_hw, u16 vsi_num,
u8 tc)
{
- u16 numq, valq, buf_size, num_moved, qbuf_size;
+ DEFINE_FLEX(struct ice_aqc_move_elem, buf, teid, 1);
struct device *dev = ice_pf_to_dev(lag->pf);
+ u16 numq, valq, num_moved, qbuf_size;
+ u16 buf_size = __struct_size(buf);
struct ice_aqc_cfg_txqs_buf *qbuf;
- struct ice_aqc_move_elem *buf;
struct ice_sched_node *n_prt;
__le32 teid, parent_teid;
struct ice_vsi_ctx *ctx;
@@ -820,26 +813,17 @@ reclaim_none:
goto resume_reclaim;
/* Move node to new parent */
- buf_size = struct_size(buf, teid, 1);
- buf = kzalloc(buf_size, GFP_KERNEL);
- if (!buf) {
- dev_warn(dev, "Failure to alloc memory for VF node failover\n");
- goto resume_reclaim;
- }
-
buf->hdr.src_parent_teid = parent_teid;
buf->hdr.dest_parent_teid = n_prt->info.node_teid;
buf->hdr.num_elems = cpu_to_le16(1);
buf->hdr.mode = ICE_AQC_MOVE_ELEM_MODE_KEEP_OWN;
buf->teid[0] = teid;
- if (ice_aq_move_sched_elems(&lag->pf->hw, 1, buf, buf_size, &num_moved,
- NULL))
+ if (ice_aq_move_sched_elems(&lag->pf->hw, buf, buf_size, &num_moved))
dev_warn(dev, "Failure to move VF nodes for LAG reclaim\n");
else
ice_sched_update_parent(n_prt, ctx->sched.vsi_node[tc]);
- kfree(buf);
goto resume_reclaim;
reclaim_qerr:
@@ -1792,10 +1776,11 @@ static void
ice_lag_move_vf_nodes_tc_sync(struct ice_lag *lag, struct ice_hw *dest_hw,
u16 vsi_num, u8 tc)
{
- u16 numq, valq, buf_size, num_moved, qbuf_size;
+ DEFINE_FLEX(struct ice_aqc_move_elem, buf, teid, 1);
struct device *dev = ice_pf_to_dev(lag->pf);
+ u16 numq, valq, num_moved, qbuf_size;
+ u16 buf_size = __struct_size(buf);
struct ice_aqc_cfg_txqs_buf *qbuf;
- struct ice_aqc_move_elem *buf;
struct ice_sched_node *n_prt;
__le32 teid, parent_teid;
struct ice_vsi_ctx *ctx;
@@ -1853,26 +1838,17 @@ sync_none:
goto resume_sync;
/* Move node to new parent */
- buf_size = struct_size(buf, teid, 1);
- buf = kzalloc(buf_size, GFP_KERNEL);
- if (!buf) {
- dev_warn(dev, "Failure to alloc for VF node move in reset rebuild\n");
- goto resume_sync;
- }
-
buf->hdr.src_parent_teid = parent_teid;
buf->hdr.dest_parent_teid = n_prt->info.node_teid;
buf->hdr.num_elems = cpu_to_le16(1);
buf->hdr.mode = ICE_AQC_MOVE_ELEM_MODE_KEEP_OWN;
buf->teid[0] = teid;
- if (ice_aq_move_sched_elems(&lag->pf->hw, 1, buf, buf_size, &num_moved,
- NULL))
+ if (ice_aq_move_sched_elems(&lag->pf->hw, buf, buf_size, &num_moved))
dev_warn(dev, "Failure to move VF nodes for LAG reset rebuild\n");
else
ice_sched_update_parent(n_prt, ctx->sched.vsi_node[tc]);
- kfree(buf);
goto resume_sync;
sync_qerr:
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c
index 1549890a3cbf..aed84d369daf 100644
--- a/drivers/net/ethernet/intel/ice/ice_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_lib.c
@@ -1832,21 +1832,14 @@ int ice_vsi_cfg_single_rxq(struct ice_vsi *vsi, u16 q_idx)
int ice_vsi_cfg_single_txq(struct ice_vsi *vsi, struct ice_tx_ring **tx_rings, u16 q_idx)
{
- struct ice_aqc_add_tx_qgrp *qg_buf;
- int err;
+ DEFINE_FLEX(struct ice_aqc_add_tx_qgrp, qg_buf, txqs, 1);
if (q_idx >= vsi->alloc_txq || !tx_rings || !tx_rings[q_idx])
return -EINVAL;
- qg_buf = kzalloc(struct_size(qg_buf, txqs, 1), GFP_KERNEL);
- if (!qg_buf)
- return -ENOMEM;
-
qg_buf->num_txqs = 1;
- err = ice_vsi_cfg_txq(vsi, tx_rings[q_idx], qg_buf);
- kfree(qg_buf);
- return err;
+ return ice_vsi_cfg_txq(vsi, tx_rings[q_idx], qg_buf);
}
/**
@@ -1888,24 +1881,18 @@ setup_rings:
static int
ice_vsi_cfg_txqs(struct ice_vsi *vsi, struct ice_tx_ring **rings, u16 count)
{
- struct ice_aqc_add_tx_qgrp *qg_buf;
- u16 q_idx = 0;
+ DEFINE_FLEX(struct ice_aqc_add_tx_qgrp, qg_buf, txqs, 1);
int err = 0;
-
- qg_buf = kzalloc(struct_size(qg_buf, txqs, 1), GFP_KERNEL);
- if (!qg_buf)
- return -ENOMEM;
+ u16 q_idx;
qg_buf->num_txqs = 1;
for (q_idx = 0; q_idx < count; q_idx++) {
err = ice_vsi_cfg_txq(vsi, rings[q_idx], qg_buf);
if (err)
- goto err_cfg_txqs;
+ break;
}
-err_cfg_txqs:
- kfree(qg_buf);
return err;
}
diff --git a/drivers/net/ethernet/intel/ice/ice_sched.c b/drivers/net/ethernet/intel/ice/ice_sched.c
index c0533d7b66b9..2f4a621254e8 100644
--- a/drivers/net/ethernet/intel/ice/ice_sched.c
+++ b/drivers/net/ethernet/intel/ice/ice_sched.c
@@ -229,29 +229,22 @@ ice_aq_delete_sched_elems(struct ice_hw *hw, u16 grps_req,
* ice_sched_remove_elems - remove nodes from HW
* @hw: pointer to the HW struct
* @parent: pointer to the parent node
- * @num_nodes: number of nodes
- * @node_teids: array of node teids to be deleted
+ * @node_teid: node teid to be deleted
*
* This function remove nodes from HW
*/
static int
ice_sched_remove_elems(struct ice_hw *hw, struct ice_sched_node *parent,
- u16 num_nodes, u32 *node_teids)
+ u32 node_teid)
{
- struct ice_aqc_delete_elem *buf;
- u16 i, num_groups_removed = 0;
- u16 buf_size;
+ DEFINE_FLEX(struct ice_aqc_delete_elem, buf, teid, 1);
+ u16 buf_size = __struct_size(buf);
+ u16 num_groups_removed = 0;
int status;
- buf_size = struct_size(buf, teid, num_nodes);
- buf = devm_kzalloc(ice_hw_to_dev(hw), buf_size, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
buf->hdr.parent_teid = parent->info.node_teid;
- buf->hdr.num_elems = cpu_to_le16(num_nodes);
- for (i = 0; i < num_nodes; i++)
- buf->teid[i] = cpu_to_le32(node_teids[i]);
+ buf->hdr.num_elems = cpu_to_le16(1);
+ buf->teid[0] = cpu_to_le32(node_teid);
status = ice_aq_delete_sched_elems(hw, 1, buf, buf_size,
&num_groups_removed, NULL);
@@ -259,7 +252,6 @@ ice_sched_remove_elems(struct ice_hw *hw, struct ice_sched_node *parent,
ice_debug(hw, ICE_DBG_SCHED, "remove node failed FW error %d\n",
hw->adminq.sq_last_status);
- devm_kfree(ice_hw_to_dev(hw), buf);
return status;
}
@@ -326,7 +318,7 @@ void ice_free_sched_node(struct ice_port_info *pi, struct ice_sched_node *node)
node->info.data.elem_type != ICE_AQC_ELEM_TYPE_LEAF) {
u32 teid = le32_to_cpu(node->info.node_teid);
- ice_sched_remove_elems(hw, node->parent, 1, &teid);
+ ice_sched_remove_elems(hw, node->parent, teid);
}
parent = node->parent;
/* root has no parent */
@@ -437,24 +429,20 @@ ice_aq_cfg_sched_elems(struct ice_hw *hw, u16 elems_req,
}
/**
- * ice_aq_move_sched_elems - move scheduler elements
+ * ice_aq_move_sched_elems - move scheduler element (just 1 group)
* @hw: pointer to the HW struct
- * @grps_req: number of groups to move
* @buf: pointer to buffer
* @buf_size: buffer size in bytes
* @grps_movd: returns total number of groups moved
- * @cd: pointer to command details structure or NULL
*
* Move scheduling elements (0x0408)
*/
int
-ice_aq_move_sched_elems(struct ice_hw *hw, u16 grps_req,
- struct ice_aqc_move_elem *buf, u16 buf_size,
- u16 *grps_movd, struct ice_sq_cd *cd)
+ice_aq_move_sched_elems(struct ice_hw *hw, struct ice_aqc_move_elem *buf,
+ u16 buf_size, u16 *grps_movd)
{
return ice_aqc_send_sched_elem_cmd(hw, ice_aqc_opc_move_sched_elems,
- grps_req, (void *)buf, buf_size,
- grps_movd, cd);
+ 1, buf, buf_size, grps_movd, NULL);
}
/**
@@ -1193,7 +1181,7 @@ static void ice_rm_dflt_leaf_node(struct ice_port_info *pi)
int status;
/* remove the default leaf node */
- status = ice_sched_remove_elems(pi->hw, node->parent, 1, &teid);
+ status = ice_sched_remove_elems(pi->hw, node->parent, teid);
if (!status)
ice_free_sched_node(pi, node);
}
@@ -2232,12 +2220,12 @@ int
ice_sched_move_nodes(struct ice_port_info *pi, struct ice_sched_node *parent,
u16 num_items, u32 *list)
{
- struct ice_aqc_move_elem *buf;
+ DEFINE_FLEX(struct ice_aqc_move_elem, buf, teid, 1);
+ u16 buf_len = __struct_size(buf);
struct ice_sched_node *node;
u16 i, grps_movd = 0;
struct ice_hw *hw;
int status = 0;
- u16 buf_len;
hw = pi->hw;
@@ -2249,35 +2237,27 @@ ice_sched_move_nodes(struct ice_port_info *pi, struct ice_sched_node *parent,
hw->max_children[parent->tx_sched_layer])
return -ENOSPC;
- buf_len = struct_size(buf, teid, 1);
- buf = kzalloc(buf_len, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
for (i = 0; i < num_items; i++) {
node = ice_sched_find_node_by_teid(pi->root, list[i]);
if (!node) {
status = -EINVAL;
- goto move_err_exit;
+ break;
}
buf->hdr.src_parent_teid = node->info.parent_teid;
buf->hdr.dest_parent_teid = parent->info.node_teid;
buf->teid[0] = node->info.node_teid;
buf->hdr.num_elems = cpu_to_le16(1);
- status = ice_aq_move_sched_elems(hw, 1, buf, buf_len,
- &grps_movd, NULL);
+ status = ice_aq_move_sched_elems(hw, buf, buf_len, &grps_movd);
if (status && grps_movd != 1) {
status = -EIO;
- goto move_err_exit;
+ break;
}
/* update the SW DB */
ice_sched_update_parent(parent, node);
}
-move_err_exit:
- kfree(buf);
return status;
}
diff --git a/drivers/net/ethernet/intel/ice/ice_sched.h b/drivers/net/ethernet/intel/ice/ice_sched.h
index 0055d9330c07..1aef05ea5a57 100644
--- a/drivers/net/ethernet/intel/ice/ice_sched.h
+++ b/drivers/net/ethernet/intel/ice/ice_sched.h
@@ -161,10 +161,8 @@ ice_sched_add_nodes_to_layer(struct ice_port_info *pi,
u16 *num_nodes_added);
void ice_sched_replay_agg_vsi_preinit(struct ice_hw *hw);
void ice_sched_replay_agg(struct ice_hw *hw);
-int
-ice_aq_move_sched_elems(struct ice_hw *hw, u16 grps_req,
- struct ice_aqc_move_elem *buf, u16 buf_size,
- u16 *grps_movd, struct ice_sq_cd *cd);
+int ice_aq_move_sched_elems(struct ice_hw *hw, struct ice_aqc_move_elem *buf,
+ u16 buf_size, u16 *grps_movd);
int ice_replay_vsi_agg(struct ice_hw *hw, u16 vsi_handle);
int ice_sched_replay_q_bw(struct ice_port_info *pi, struct ice_q_ctx *q_ctx);
#endif /* _ICE_SCHED_H_ */
diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c
index 2f77b684ff76..ee19f3aa3d19 100644
--- a/drivers/net/ethernet/intel/ice/ice_switch.c
+++ b/drivers/net/ethernet/intel/ice/ice_switch.c
@@ -1812,15 +1812,11 @@ ice_aq_alloc_free_vsi_list(struct ice_hw *hw, u16 *vsi_list_id,
enum ice_sw_lkup_type lkup_type,
enum ice_adminq_opc opc)
{
- struct ice_aqc_alloc_free_res_elem *sw_buf;
+ DEFINE_FLEX(struct ice_aqc_alloc_free_res_elem, sw_buf, elem, 1);
+ u16 buf_len = __struct_size(sw_buf);
struct ice_aqc_res_elem *vsi_ele;
- u16 buf_len;
int status;
- buf_len = struct_size(sw_buf, elem, 1);
- sw_buf = devm_kzalloc(ice_hw_to_dev(hw), buf_len, GFP_KERNEL);
- if (!sw_buf)
- return -ENOMEM;
sw_buf->num_elems = cpu_to_le16(1);
if (lkup_type == ICE_SW_LKUP_MAC ||
@@ -1840,8 +1836,7 @@ ice_aq_alloc_free_vsi_list(struct ice_hw *hw, u16 *vsi_list_id,
sw_buf->res_type =
cpu_to_le16(ICE_AQC_RES_TYPE_VSI_LIST_PRUNE);
} else {
- status = -EINVAL;
- goto ice_aq_alloc_free_vsi_list_exit;
+ return -EINVAL;
}
if (opc == ice_aqc_opc_free_res)
@@ -1849,16 +1844,14 @@ ice_aq_alloc_free_vsi_list(struct ice_hw *hw, u16 *vsi_list_id,
status = ice_aq_alloc_free_res(hw, sw_buf, buf_len, opc);
if (status)
- goto ice_aq_alloc_free_vsi_list_exit;
+ return status;
if (opc == ice_aqc_opc_alloc_res) {
vsi_ele = &sw_buf->elem[0];
*vsi_list_id = le16_to_cpu(vsi_ele->e.sw_resp);
}
-ice_aq_alloc_free_vsi_list_exit:
- devm_kfree(ice_hw_to_dev(hw), sw_buf);
- return status;
+ return 0;
}
/**
@@ -2088,15 +2081,10 @@ ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u8 *r_bitmap,
*/
int ice_alloc_recipe(struct ice_hw *hw, u16 *rid)
{
- struct ice_aqc_alloc_free_res_elem *sw_buf;
- u16 buf_len;
+ DEFINE_FLEX(struct ice_aqc_alloc_free_res_elem, sw_buf, elem, 1);
+ u16 buf_len = __struct_size(sw_buf);
int status;
- buf_len = struct_size(sw_buf, elem, 1);
- sw_buf = kzalloc(buf_len, GFP_KERNEL);
- if (!sw_buf)
- return -ENOMEM;
-
sw_buf->num_elems = cpu_to_le16(1);
sw_buf->res_type = cpu_to_le16((ICE_AQC_RES_TYPE_RECIPE <<
ICE_AQC_RES_TYPE_S) |
@@ -2105,7 +2093,6 @@ int ice_alloc_recipe(struct ice_hw *hw, u16 *rid)
ice_aqc_opc_alloc_res);
if (!status)
*rid = le16_to_cpu(sw_buf->elem[0].e.sw_resp);
- kfree(sw_buf);
return status;
}
@@ -4434,28 +4421,19 @@ int
ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
u16 *counter_id)
{
- struct ice_aqc_alloc_free_res_elem *buf;
- u16 buf_len;
+ DEFINE_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
+ u16 buf_len = __struct_size(buf);
int status;
- /* Allocate resource */
- buf_len = struct_size(buf, elem, 1);
- buf = kzalloc(buf_len, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
buf->num_elems = cpu_to_le16(num_items);
buf->res_type = cpu_to_le16(((type << ICE_AQC_RES_TYPE_S) &
ICE_AQC_RES_TYPE_M) | alloc_shared);
status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_alloc_res);
if (status)
- goto exit;
+ return status;
*counter_id = le16_to_cpu(buf->elem[0].e.sw_resp);
-
-exit:
- kfree(buf);
return status;
}
@@ -4471,16 +4449,10 @@ int
ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
u16 counter_id)
{
- struct ice_aqc_alloc_free_res_elem *buf;
- u16 buf_len;
+ DEFINE_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
+ u16 buf_len = __struct_size(buf);
int status;
- /* Free resource */
- buf_len = struct_size(buf, elem, 1);
- buf = kzalloc(buf_len, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
buf->num_elems = cpu_to_le16(num_items);
buf->res_type = cpu_to_le16(((type << ICE_AQC_RES_TYPE_S) &
ICE_AQC_RES_TYPE_M) | alloc_shared);
@@ -4490,7 +4462,6 @@ ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
if (status)
ice_debug(hw, ICE_DBG_SW, "counter resource could not be freed\n");
- kfree(buf);
return status;
}
@@ -4508,15 +4479,10 @@ ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
*/
int ice_share_res(struct ice_hw *hw, u16 type, u8 shared, u16 res_id)
{
- struct ice_aqc_alloc_free_res_elem *buf;
- u16 buf_len;
+ DEFINE_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
+ u16 buf_len = __struct_size(buf);
int status;
- buf_len = struct_size(buf, elem, 1);
- buf = kzalloc(buf_len, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
buf->num_elems = cpu_to_le16(1);
if (shared)
buf->res_type = cpu_to_le16(((type << ICE_AQC_RES_TYPE_S) &
@@ -4534,7 +4500,6 @@ int ice_share_res(struct ice_hw *hw, u16 type, u8 shared, u16 res_id)
ice_debug(hw, ICE_DBG_SW, "Could not set resource type %u id %u to %s\n",
type, res_id, shared ? "SHARED" : "DEDICATED");
- kfree(buf);
return status;
}
diff --git a/drivers/net/ethernet/intel/ice/ice_xsk.c b/drivers/net/ethernet/intel/ice/ice_xsk.c
index 2a3f0834e139..99954508184f 100644
--- a/drivers/net/ethernet/intel/ice/ice_xsk.c
+++ b/drivers/net/ethernet/intel/ice/ice_xsk.c
@@ -217,21 +217,16 @@ static int ice_qp_dis(struct ice_vsi *vsi, u16 q_idx)
*/
static int ice_qp_ena(struct ice_vsi *vsi, u16 q_idx)
{
- struct ice_aqc_add_tx_qgrp *qg_buf;
+ DEFINE_FLEX(struct ice_aqc_add_tx_qgrp, qg_buf, txqs, 1);
+ u16 size = __struct_size(qg_buf);
struct ice_q_vector *q_vector;
struct ice_tx_ring *tx_ring;
struct ice_rx_ring *rx_ring;
- u16 size;
int err;
if (q_idx >= vsi->num_rxq || q_idx >= vsi->num_txq)
return -EINVAL;
- size = struct_size(qg_buf, txqs, 1);
- qg_buf = kzalloc(size, GFP_KERNEL);
- if (!qg_buf)
- return -ENOMEM;
-
qg_buf->num_txqs = 1;
tx_ring = vsi->tx_rings[q_idx];
@@ -240,7 +235,7 @@ static int ice_qp_ena(struct ice_vsi *vsi, u16 q_idx)
err = ice_vsi_cfg_txq(vsi, tx_ring, qg_buf);
if (err)
- goto free_buf;
+ return err;
if (ice_is_xdp_ena_vsi(vsi)) {
struct ice_tx_ring *xdp_ring = vsi->xdp_rings[q_idx];
@@ -249,29 +244,28 @@ static int ice_qp_ena(struct ice_vsi *vsi, u16 q_idx)
qg_buf->num_txqs = 1;
err = ice_vsi_cfg_txq(vsi, xdp_ring, qg_buf);
if (err)
- goto free_buf;
+ return err;
ice_set_ring_xdp(xdp_ring);
ice_tx_xsk_pool(vsi, q_idx);
}
err = ice_vsi_cfg_rxq(rx_ring);
if (err)
- goto free_buf;
+ return err;
ice_qvec_cfg_msix(vsi, q_vector);
err = ice_vsi_ctrl_one_rx_ring(vsi, true, q_idx, true);
if (err)
- goto free_buf;
+ return err;
clear_bit(ICE_CFG_BUSY, vsi->state);
ice_qvec_toggle_napi(vsi, q_vector, true);
ice_qvec_ena_irq(vsi, q_vector);
netif_tx_start_queue(netdev_get_tx_queue(vsi->netdev, q_idx));
-free_buf:
- kfree(qg_buf);
- return err;
+
+ return 0;
}
/**
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index c523c6683789..6f1ca49306d2 100644
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -2,6 +2,15 @@
#ifndef __LINUX_COMPILER_TYPES_H
#define __LINUX_COMPILER_TYPES_H
+/*
+ * __has_builtin is supported on gcc >= 10, clang >= 3 and icc >= 21.
+ * In the meantime, to support gcc < 10, we implement __has_builtin
+ * by hand.
+ */
+#ifndef __has_builtin
+#define __has_builtin(x) (0)
+#endif
+
#ifndef __ASSEMBLY__
/*
@@ -134,17 +143,6 @@ static inline void __chk_io_ptr(const volatile void __iomem *ptr) { }
# define __preserve_most
#endif
-/* Builtins */
-
-/*
- * __has_builtin is supported on gcc >= 10, clang >= 3 and icc >= 21.
- * In the meantime, to support gcc < 10, we implement __has_builtin
- * by hand.
- */
-#ifndef __has_builtin
-#define __has_builtin(x) (0)
-#endif
-
/* Compiler specific macros. */
#ifdef __clang__
#include <linux/compiler-clang.h>
@@ -352,6 +350,18 @@ struct ftrace_likely_data {
# define __realloc_size(x, ...)
#endif
+/*
+ * When the size of an allocated object is needed, use the best available
+ * mechanism to find it. (For cases where sizeof() cannot be used.)
+ */
+#if __has_builtin(__builtin_dynamic_object_size)
+#define __struct_size(p) __builtin_dynamic_object_size(p, 0)
+#define __member_size(p) __builtin_dynamic_object_size(p, 1)
+#else
+#define __struct_size(p) __builtin_object_size(p, 0)
+#define __member_size(p) __builtin_object_size(p, 1)
+#endif
+
#ifndef asm_volatile_goto
#define asm_volatile_goto(x...) asm goto(x)
#endif
diff --git a/include/linux/fortify-string.h b/include/linux/fortify-string.h
index da51a83b2829..1e7711185ec6 100644
--- a/include/linux/fortify-string.h
+++ b/include/linux/fortify-string.h
@@ -93,13 +93,9 @@ extern char *__underlying_strncpy(char *p, const char *q, __kernel_size_t size)
#if __has_builtin(__builtin_dynamic_object_size)
#define POS __pass_dynamic_object_size(1)
#define POS0 __pass_dynamic_object_size(0)
-#define __struct_size(p) __builtin_dynamic_object_size(p, 0)
-#define __member_size(p) __builtin_dynamic_object_size(p, 1)
#else
#define POS __pass_object_size(1)
#define POS0 __pass_object_size(0)
-#define __struct_size(p) __builtin_object_size(p, 0)
-#define __member_size(p) __builtin_object_size(p, 1)
#endif
#define __compiletime_lessthan(bounds, length) ( \
diff --git a/include/linux/overflow.h b/include/linux/overflow.h
index f9b60313eaea..7b5cf4a5cd19 100644
--- a/include/linux/overflow.h
+++ b/include/linux/overflow.h
@@ -309,4 +309,39 @@ static inline size_t __must_check size_sub(size_t minuend, size_t subtrahend)
#define struct_size_t(type, member, count) \
struct_size((type *)NULL, member, count)
+/**
+ * _DEFINE_FLEX() - helper macro for DEFINE_FLEX() family.
+ * Enables caller macro to pass (different) initializer.
+ *
+ * @type: structure type name, including "struct" keyword.
+ * @name: Name for a variable to define.
+ * @member: Name of the array member.
+ * @count: Number of elements in the array; must be compile-time const.
+ * @initializer: initializer expression (could be empty for no init).
+ */
+#define _DEFINE_FLEX(type, name, member, count, initializer) \
+ _Static_assert(__builtin_constant_p(count), \
+ "onstack flex array members require compile-time const count"); \
+ union { \
+ u8 bytes[struct_size_t(type, member, count)]; \
+ type obj; \
+ } name##_u initializer; \
+ type *name = (type *)&name##_u
+
+/**
+ * DEFINE_FLEX() - Define an on-stack instance of structure with a trailing
+ * flexible array member.
+ *
+ * @type: structure type name, including "struct" keyword.
+ * @name: Name for a variable to define.
+ * @member: Name of the array member.
+ * @count: Number of elements in the array; must be compile-time const.
+ *
+ * Define a zeroed, on-stack, instance of @type structure with a trailing
+ * flexible array member.
+ * Use __struct_size(@name) to get compile-time size of it afterwards.
+ */
+#define DEFINE_FLEX(type, name, member, count) \
+ _DEFINE_FLEX(type, name, member, count, = {})
+
#endif /* __LINUX_OVERFLOW_H */
generated by cgit v1.2.3 (git 2.39.0) at 2024-09-03 04:17:53 +0300