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path: root/fs/ksmbd/smb2pdu.c
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Diffstat (limited to 'fs/ksmbd/smb2pdu.c')
-rw-r--r--fs/ksmbd/smb2pdu.c23
1 files changed, 11 insertions, 12 deletions
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c
index 190b272fb4f7..3bf6c56c654c 100644
--- a/fs/ksmbd/smb2pdu.c
+++ b/fs/ksmbd/smb2pdu.c
@@ -6607,8 +6607,7 @@ int smb2_cancel(struct ksmbd_work *work)
struct ksmbd_conn *conn = work->conn;
struct smb2_hdr *hdr = smb2_get_msg(work->request_buf);
struct smb2_hdr *chdr;
- struct ksmbd_work *cancel_work = NULL;
- int canceled = 0;
+ struct ksmbd_work *cancel_work = NULL, *iter;
struct list_head *command_list;
ksmbd_debug(SMB, "smb2 cancel called on mid %llu, async flags 0x%x\n",
@@ -6618,11 +6617,11 @@ int smb2_cancel(struct ksmbd_work *work)
command_list = &conn->async_requests;
spin_lock(&conn->request_lock);
- list_for_each_entry(cancel_work, command_list,
+ list_for_each_entry(iter, command_list,
async_request_entry) {
- chdr = smb2_get_msg(cancel_work->request_buf);
+ chdr = smb2_get_msg(iter->request_buf);
- if (cancel_work->async_id !=
+ if (iter->async_id !=
le64_to_cpu(hdr->Id.AsyncId))
continue;
@@ -6630,7 +6629,7 @@ int smb2_cancel(struct ksmbd_work *work)
"smb2 with AsyncId %llu cancelled command = 0x%x\n",
le64_to_cpu(hdr->Id.AsyncId),
le16_to_cpu(chdr->Command));
- canceled = 1;
+ cancel_work = iter;
break;
}
spin_unlock(&conn->request_lock);
@@ -6638,24 +6637,24 @@ int smb2_cancel(struct ksmbd_work *work)
command_list = &conn->requests;
spin_lock(&conn->request_lock);
- list_for_each_entry(cancel_work, command_list, request_entry) {
- chdr = smb2_get_msg(cancel_work->request_buf);
+ list_for_each_entry(iter, command_list, request_entry) {
+ chdr = smb2_get_msg(iter->request_buf);
if (chdr->MessageId != hdr->MessageId ||
- cancel_work == work)
+ iter == work)
continue;
ksmbd_debug(SMB,
"smb2 with mid %llu cancelled command = 0x%x\n",
le64_to_cpu(hdr->MessageId),
le16_to_cpu(chdr->Command));
- canceled = 1;
+ cancel_work = iter;
break;
}
spin_unlock(&conn->request_lock);
}
- if (canceled) {
+ if (cancel_work) {
cancel_work->state = KSMBD_WORK_CANCELLED;
if (cancel_work->cancel_fn)
cancel_work->cancel_fn(cancel_work->cancel_argv);
@@ -8484,7 +8483,7 @@ static void fill_transform_hdr(void *tr_buf, char *old_buf, __le16 cipher_type)
struct smb2_hdr *hdr = smb2_get_msg(old_buf);
unsigned int orig_len = get_rfc1002_len(old_buf);
- memset(tr_buf, 0, sizeof(struct smb2_transform_hdr) + 4);
+ /* tr_buf must be cleared by the caller */
tr_hdr->ProtocolId = SMB2_TRANSFORM_PROTO_NUM;
tr_hdr->OriginalMessageSize = cpu_to_le32(orig_len);
tr_hdr->Flags = cpu_to_le16(TRANSFORM_FLAG_ENCRYPTED);