tree 86cccb6f28f84355d348bad27fa55d5c377d6660
parent 22c9d52bc03b880045ab1081890a38f11b272ae7
author Jeff Layton <jlayton@redhat.com> 1239983130 -0400
committer Steve French <sfrench@us.ibm.com> 1240002495 +0000

cifs: when renaming don't try to unlink negative dentry

When attempting to rename a file on a read-only share, the kernel can
call cifs_unlink on a negative dentry, which causes an oops. Only try
to unlink the file if it's a positive dentry.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Tested-by: Shirish Pargaonkar <shirishp@us.ibm.com>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <sfrench@us.ibm.com>