CIFS: Fix missing a decrement of inFlight value

if we failed on getting mid entry in cifs_call_async.

Cc: stable@kernel.org
Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 147aa22c3c3a..c1b9c4b10739 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -362,6 +362,8 @@ cifs_call_async(struct TCP_Server_Info *server, struct kvec *iov,
         mid = AllocMidQEntry(hdr, server);
         if (mid == NULL) {
                 mutex_unlock(&server->srv_mutex);
+                atomic_dec(&server->inFlight);
+                wake_up(&server->request_q);
                 return -ENOMEM;
         }