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authorNamjae Jeon <linkinjeon@kernel.org>2021-09-09 06:28:18 +0300
committerSteve French <stfrench@microsoft.com>2021-11-12 04:22:58 +0300
commit2734b692f7b8167b93498dcd698067623d4267ca (patch)
tree2e790b2da60604641f050d10b0ba924f041ca0bb /fs
parent2dd9129f7dec1de369e4447a54ea2edf695f765b (diff)
downloadlinux-2734b692f7b8167b93498dcd698067623d4267ca.tar.xz
ksmbd: change LeaseKey data type to u8 array
cifs define LeaseKey as u8 array in structure. To move lease structure to smbfs_common, ksmbd change LeaseKey data type to u8 array. Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/ksmbd/oplock.c24
-rw-r--r--fs/ksmbd/oplock.h2
-rw-r--r--fs/ksmbd/smb2pdu.h11
3 files changed, 14 insertions, 23 deletions
diff --git a/fs/ksmbd/oplock.c b/fs/ksmbd/oplock.c
index ce0e85552da9..077b8761d099 100644
--- a/fs/ksmbd/oplock.c
+++ b/fs/ksmbd/oplock.c
@@ -1335,19 +1335,16 @@ __u8 smb2_map_lease_to_oplock(__le32 lease_state)
*/
void create_lease_buf(u8 *rbuf, struct lease *lease)
{
- char *LeaseKey = (char *)&lease->lease_key;
-
if (lease->version == 2) {
struct create_lease_v2 *buf = (struct create_lease_v2 *)rbuf;
- char *ParentLeaseKey = (char *)&lease->parent_lease_key;
memset(buf, 0, sizeof(struct create_lease_v2));
- buf->lcontext.LeaseKeyLow = *((__le64 *)LeaseKey);
- buf->lcontext.LeaseKeyHigh = *((__le64 *)(LeaseKey + 8));
+ memcpy(buf->lcontext.LeaseKey, lease->lease_key,
+ SMB2_LEASE_KEY_SIZE);
buf->lcontext.LeaseFlags = lease->flags;
buf->lcontext.LeaseState = lease->state;
- buf->lcontext.ParentLeaseKeyLow = *((__le64 *)ParentLeaseKey);
- buf->lcontext.ParentLeaseKeyHigh = *((__le64 *)(ParentLeaseKey + 8));
+ memcpy(buf->lcontext.ParentLeaseKey, lease->parent_lease_key,
+ SMB2_LEASE_KEY_SIZE);
buf->ccontext.DataOffset = cpu_to_le16(offsetof
(struct create_lease_v2, lcontext));
buf->ccontext.DataLength = cpu_to_le32(sizeof(struct lease_context_v2));
@@ -1362,8 +1359,7 @@ void create_lease_buf(u8 *rbuf, struct lease *lease)
struct create_lease *buf = (struct create_lease *)rbuf;
memset(buf, 0, sizeof(struct create_lease));
- buf->lcontext.LeaseKeyLow = *((__le64 *)LeaseKey);
- buf->lcontext.LeaseKeyHigh = *((__le64 *)(LeaseKey + 8));
+ memcpy(buf->lcontext.LeaseKey, lease->lease_key, SMB2_LEASE_KEY_SIZE);
buf->lcontext.LeaseFlags = lease->flags;
buf->lcontext.LeaseState = lease->state;
buf->ccontext.DataOffset = cpu_to_le16(offsetof
@@ -1416,19 +1412,17 @@ struct lease_ctx_info *parse_lease_state(void *open_req)
if (sizeof(struct lease_context_v2) == le32_to_cpu(cc->DataLength)) {
struct create_lease_v2 *lc = (struct create_lease_v2 *)cc;
- *((__le64 *)lreq->lease_key) = lc->lcontext.LeaseKeyLow;
- *((__le64 *)(lreq->lease_key + 8)) = lc->lcontext.LeaseKeyHigh;
+ memcpy(lreq->lease_key, lc->lcontext.LeaseKey, SMB2_LEASE_KEY_SIZE);
lreq->req_state = lc->lcontext.LeaseState;
lreq->flags = lc->lcontext.LeaseFlags;
lreq->duration = lc->lcontext.LeaseDuration;
- *((__le64 *)lreq->parent_lease_key) = lc->lcontext.ParentLeaseKeyLow;
- *((__le64 *)(lreq->parent_lease_key + 8)) = lc->lcontext.ParentLeaseKeyHigh;
+ memcpy(lreq->parent_lease_key, lc->lcontext.ParentLeaseKey,
+ SMB2_LEASE_KEY_SIZE);
lreq->version = 2;
} else {
struct create_lease *lc = (struct create_lease *)cc;
- *((__le64 *)lreq->lease_key) = lc->lcontext.LeaseKeyLow;
- *((__le64 *)(lreq->lease_key + 8)) = lc->lcontext.LeaseKeyHigh;
+ memcpy(lreq->lease_key, lc->lcontext.LeaseKey, SMB2_LEASE_KEY_SIZE);
lreq->req_state = lc->lcontext.LeaseState;
lreq->flags = lc->lcontext.LeaseFlags;
lreq->duration = lc->lcontext.LeaseDuration;
diff --git a/fs/ksmbd/oplock.h b/fs/ksmbd/oplock.h
index 119b8047cfbd..0cf7a2b5bbc0 100644
--- a/fs/ksmbd/oplock.h
+++ b/fs/ksmbd/oplock.h
@@ -28,8 +28,6 @@
#define OPLOCK_WRITE_TO_NONE 0x04
#define OPLOCK_READ_TO_NONE 0x08
-#define SMB2_LEASE_KEY_SIZE 16
-
struct lease_ctx_info {
__u8 lease_key[SMB2_LEASE_KEY_SIZE];
__le32 req_state;
diff --git a/fs/ksmbd/smb2pdu.h b/fs/ksmbd/smb2pdu.h
index f418b001b999..829f44569077 100644
--- a/fs/ksmbd/smb2pdu.h
+++ b/fs/ksmbd/smb2pdu.h
@@ -733,22 +733,21 @@ struct create_posix_rsp {
#define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS_LE cpu_to_le32(0x02)
+#define SMB2_LEASE_KEY_SIZE 16
+
struct lease_context {
- __le64 LeaseKeyLow;
- __le64 LeaseKeyHigh;
+ __u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
__le32 LeaseState;
__le32 LeaseFlags;
__le64 LeaseDuration;
} __packed;
struct lease_context_v2 {
- __le64 LeaseKeyLow;
- __le64 LeaseKeyHigh;
+ __u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
__le32 LeaseState;
__le32 LeaseFlags;
__le64 LeaseDuration;
- __le64 ParentLeaseKeyLow;
- __le64 ParentLeaseKeyHigh;
+ __u8 ParentLeaseKey[SMB2_LEASE_KEY_SIZE];
__le16 Epoch;
__le16 Reserved;
} __packed;