cifs: smbd: Check for iov length on sending the last iov
authorLong Li <longli@microsoft.com>
Tue, 17 Apr 2018 19:17:05 +0000 (12:17 -0700)
committerSteve French <smfrench@gmail.com>
Thu, 19 Apr 2018 03:02:49 +0000 (22:02 -0500)
commitab60ee7bf9a84954f50a66a3d835860e80f99b7f
tree9124edf8bd5d58b1c5a6f8dfd7b5f2d241e1f1dd
parenta5240cbde22c86c606c6462d32aea0648c21fdc3
cifs: smbd: Check for iov length on sending the last iov

When sending the last iov that breaks into smaller buffers to fit the
transfer size, it's necessary to check if this is the last iov.

If this is the latest iov, stop and proceed to send pages.

Signed-off-by: Long Li <longli@microsoft.com>
Cc: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
fs/cifs/smbdirect.c