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cifs: on send failure, readjust server sequence number downward

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If sending a call to the server fails for some reason (for instance, the
sending thread caught a signal), then we must readjust the sequence
number downward again or the next send will have it too high.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Signed-off-by: Steve French <smfrench@gmail.com>
This commit is contained in:
Jeff Layton
2013-04-03 10:27:36 -04:00
committed by Steve French
parent ce6c44e44e
commit ad313cb86d
2 changed files with 16 additions and 0 deletions
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3
fs/cifs/smb1ops.c
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@@ -61,6 +61,9 @@ send_nt_cancel(struct TCP_Server_Info *server, void *buf,
*/
--server->sequence_number;
rc = smb_send(server, in_buf, be32_to_cpu(in_buf->smb_buf_length));
if (rc < 0)
server->sequence_number--;
mutex_unlock(&server->srv_mutex);
cifs_dbg(FYI, "issued NT_CANCEL for mid %u, rc = %d\n",