From 278702074ff77b1a3fa2061267997095959f5e2c Mon Sep 17 00:00:00 2001 From: Andrew Elble Date: Mon, 9 Feb 2015 12:53:04 -0500 Subject: [PATCH] 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 Tested-by: Eric Meddaugh Signed-off-by: Andrew Elble Signed-off-by: Steven Whitehouse --- fs/gfs2/acl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c index 3088e2a38e30..7b3143064af1 100644 --- a/fs/gfs2/acl.c +++ b/fs/gfs2/acl.c @@ -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) {