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authorBrian King <brking@linux.vnet.ibm.com>2015-06-12 04:45:20 +0300
committerJames Bottomley <JBottomley@Odin.com>2015-07-30 22:41:21 +0300
commit359d96e73cea0ef2429db20e1a2322c75bc13830 (patch)
tree380b5583d907cc756bc35ef10ccaab0f1b842f91 /drivers/scsi
parentbb8647e86e769bd45d2d5e010b3af516210d5760 (diff)
downloadlinux-359d96e73cea0ef2429db20e1a2322c75bc13830.tar.xz
ipr: Endian / sparse fixes
Some misc fixes for endianness checking with sparse so sparse with endian checking now runs clean. Fixes a minor bug in the process which was uncovered by sparse which would result in unnecessary error recovery for check conditions. Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Reviewed-by: Wen Xiong <wenxiong@linux.vnet.ibm.com> Signed-off-by: James Bottomley <JBottomley@Odin.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/ipr.c13
-rw-r--r--drivers/scsi/ipr.h13
2 files changed, 13 insertions, 13 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 15da7544177c..341191952155 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -1165,7 +1165,8 @@ static void ipr_init_res_entry(struct ipr_resource_entry *res,
if (ioa_cfg->sis64) {
proto = cfgtew->u.cfgte64->proto;
- res->res_flags = cfgtew->u.cfgte64->res_flags;
+ res->flags = be16_to_cpu(cfgtew->u.cfgte64->flags);
+ res->res_flags = be16_to_cpu(cfgtew->u.cfgte64->res_flags);
res->qmodel = IPR_QUEUEING_MODEL64(res);
res->type = cfgtew->u.cfgte64->res_type;
@@ -1313,8 +1314,8 @@ static void ipr_update_res_entry(struct ipr_resource_entry *res,
int new_path = 0;
if (res->ioa_cfg->sis64) {
- res->flags = cfgtew->u.cfgte64->flags;
- res->res_flags = cfgtew->u.cfgte64->res_flags;
+ res->flags = be16_to_cpu(cfgtew->u.cfgte64->flags);
+ res->res_flags = be16_to_cpu(cfgtew->u.cfgte64->res_flags);
res->type = cfgtew->u.cfgte64->res_type;
memcpy(&res->std_inq_data, &cfgtew->u.cfgte64->std_inq_data,
@@ -1900,7 +1901,7 @@ static void ipr_log_array_error(struct ipr_ioa_cfg *ioa_cfg,
* Return value:
* none
**/
-static void ipr_log_hex_data(struct ipr_ioa_cfg *ioa_cfg, u32 *data, int len)
+static void ipr_log_hex_data(struct ipr_ioa_cfg *ioa_cfg, __be32 *data, int len)
{
int i;
@@ -2270,7 +2271,7 @@ static void ipr_log_fabric_error(struct ipr_ioa_cfg *ioa_cfg,
((unsigned long)fabric + be16_to_cpu(fabric->length));
}
- ipr_log_hex_data(ioa_cfg, (u32 *)fabric, add_len);
+ ipr_log_hex_data(ioa_cfg, (__be32 *)fabric, add_len);
}
/**
@@ -2364,7 +2365,7 @@ static void ipr_log_sis64_fabric_error(struct ipr_ioa_cfg *ioa_cfg,
((unsigned long)fabric + be16_to_cpu(fabric->length));
}
- ipr_log_hex_data(ioa_cfg, (u32 *)fabric, add_len);
+ ipr_log_hex_data(ioa_cfg, (__be32 *)fabric, add_len);
}
/**
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index 6b97ee45c7b4..0cca05f0fc3d 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -1005,13 +1005,13 @@ struct ipr_hostrcb_type_24_error {
struct ipr_hostrcb_type_07_error {
u8 failure_reason[64];
struct ipr_vpd vpd;
- u32 data[222];
+ __be32 data[222];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_17_error {
u8 failure_reason[64];
struct ipr_ext_vpd vpd;
- u32 data[476];
+ __be32 data[476];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_config_element {
@@ -1289,18 +1289,17 @@ struct ipr_resource_entry {
(((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
u8 ata_class;
-
- u8 flags;
- __be16 res_flags;
-
u8 type;
+ u16 flags;
+ u16 res_flags;
+
u8 qmodel;
struct ipr_std_inq_data std_inq_data;
__be32 res_handle;
__be64 dev_id;
- __be64 lun_wwn;
+ u64 lun_wwn;
struct scsi_lun dev_lun;
u8 res_path[8];