tree 85464ab3649def5954b04139c5854ae593db0703
parent a6360dd37e1a144ed11e6548371bade559a1e4df
author Jeff Layton <jlayton@redhat.com> 1302045827 -0700
committer Steve French <sfrench@us.ibm.com> 1302568745 +0000

cifs: check for private_data before trying to put it

cifs_close doesn't check that the filp->private_data is non-NULL before
trying to put it. That can cause an oops in certain error conditions
that can occur on open or lookup before the private_data is set.

Reported-by: Ben Greear <greearb@candelatech.com>
CC: Stable <stable@kernel.org>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>