GFS2: Fix crash during ACL deletion in acl max entry check in gfs2_set_acl()

Fixes: e01580bf9e ("gfs2: use generic posix ACL infrastructure")
Reported-by: Eric Meddaugh <etmsys@rit.edu>
Tested-by: Eric Meddaugh <etmsys@rit.edu>
Signed-off-by: Andrew Elble <aweits@rit.edu>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Andrew Elble 2015-02-09 12:53:04 -05:00 committed by Steven Whitehouse
parent 7456a37d55
commit 278702074f

View File

@ -73,7 +73,7 @@ int gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
BUG_ON(name == NULL);
if (acl->a_count > GFS2_ACL_MAX_ENTRIES(GFS2_SB(inode)))
if (acl && acl->a_count > GFS2_ACL_MAX_ENTRIES(GFS2_SB(inode)))
return -E2BIG;
if (type == ACL_TYPE_ACCESS) {