From: NeilBrown <neilb@suse.de>
Date: Fri, 13 Aug 2010 03:56:57 +0000 (+1000)
Subject: iget_my_inode - fix for case of ino == NULL
X-Git-Url: http://git.neil.brown.name/?a=commitdiff_plain;h=170bae53882ee8c1525989ea15483b0a2c095828;p=LaFS.git

iget_my_inode - fix for case of ino == NULL

igrab doesn't handle NULL inodes, so we must.

Signed-off-by: NeilBrown <neilb@suse.de>
---

diff --git a/lafs.h b/lafs.h
index 7d086df..48bb260 100644
--- a/lafs.h
+++ b/lafs.h
@@ -400,7 +400,9 @@ static inline void rcu_iput(struct inode *ino)
 static inline struct inode *iget_my_inode(struct datablock *db)
 {
 	struct inode *ino = rcu_my_inode(db);
-	struct inode *rv = igrab(ino);
+	struct inode *rv = NULL;
+	if (ino)
+		rv = igrab(ino);
 	rcu_iput(ino);
 	return rv;
 }