From: Yehuda Sadeh <yehuda@hq.newdream.net>
Date: Tue, 13 Dec 2011 17:56:30 +0000 (-0800)
Subject: ceph: dereference pointer after checking for NULL
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b8cd952b51034ad9f20ca147507ee68dc641c98c;p=linux-beck.git

ceph: dereference pointer after checking for NULL

moved dereference after BUG_ON

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
---

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 87fb132fb330..f556e76c72e3 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -851,11 +851,12 @@ static void ceph_set_dentry_offset(struct dentry *dn)
 {
 	struct dentry *dir = dn->d_parent;
 	struct inode *inode = dir->d_inode;
-	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_inode_info *ci;
 	struct ceph_dentry_info *di;
 
 	BUG_ON(!inode);
 
+	ci = ceph_inode(inode);
 	di = ceph_dentry(dn);
 
 	spin_lock(&ci->i_ceph_lock);