[ 054/123] nfs: avoid dereferencing null pointer in initiate_bulk_draining
From: Greg Kroah-Hartman
Date: Wed Jan 09 2013 - 16:28:18 EST
3.7-stable review patch. If anyone has any objections, please let me know.
------------------
From: Nickolai Zeldovich <nickolai@xxxxxxxxxxxxx>
commit ecf0eb9edbb607d74f74b73c14af8b43f3729528 upstream.
Fix an inverted null pointer check in initiate_bulk_draining().
Signed-off-by: Nickolai Zeldovich <nickolai@xxxxxxxxxxxxx>
Signed-off-by: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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? */
--
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