blob: 1775004f9e57ee4dde5b68d405be2eefcc46cdaa [file] [log] [blame]
From ecf0eb9edbb607d74f74b73c14af8b43f3729528 Mon Sep 17 00:00:00 2001
From: Nickolai Zeldovich <nickolai@csail.mit.edu>
Date: Sat, 5 Jan 2013 14:19:51 -0500
Subject: nfs: avoid dereferencing null pointer in initiate_bulk_draining
From: Nickolai Zeldovich <nickolai@csail.mit.edu>
commit ecf0eb9edbb607d74f74b73c14af8b43f3729528 upstream.
Fix an inverted null pointer check in initiate_bulk_draining().
Signed-off-by: Nickolai Zeldovich <nickolai@csail.mit.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/nfs/callback_proc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -205,7 +205,7 @@ static u32 initiate_bulk_draining(struct
list_for_each_entry(lo, &server->layouts, plh_layouts) {
ino = igrab(lo->plh_inode);
- if (ino)
+ if (!ino)
continue;
spin_lock(&ino->i_lock);
/* Is this layout in the process of being freed? */