From ad313cb86dfba27f8f2306da304974ef17c91c56 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Wed, 3 Apr 2013 10:27:36 -0400 Subject: cifs: on send failure, readjust server sequence number downward 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 Signed-off-by: Steve French Signed-off-by: Steve French --- fs/cifs/smb1ops.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'fs/cifs/smb1ops.c') diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c index 23bcd11c8103..3efdb9d5c0b8 100644 --- a/fs/cifs/smb1ops.c +++ b/fs/cifs/smb1ops.c @@ -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", -- cgit v1.2.3-70-g09d2