linux-kernel - [PATCH 3/4] kmemcheck: fix do_mount

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Date:	Sat, 16 May 2009 11:51:19 +0200
From:	Vegard Nossum <vegard.nossum@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Pekka Enberg <penberg@...helsinki.fi>, Ingo Molnar <mingo@...e.hu>,
	Al Viro <viro@...iv.linux.org.uk>
Subject: [PATCH 3/4] kmemcheck: fix do_mount_root() false positive

Hide the false positive by using the new __getname_gfp() with the
__GFP_NOTRACK_FALSE_POSITIVE flag.

Cc: Al Viro <viro@...iv.linux.org.uk>
Signed-off-by: Vegard Nossum <vegard.nossum@...il.com>
---
 init/do_mounts.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/init/do_mounts.c b/init/do_mounts.c
index dd7ee5f..093f659 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -231,7 +231,8 @@ static int __init do_mount_root(char *name, char *fs, int flags, void *data)
 
 void __init mount_block_root(char *name, int flags)
 {
-	char *fs_names = __getname();
+	char *fs_names = __getname_gfp(GFP_KERNEL
+		| __GFP_NOTRACK_FALSE_POSITIVE);
 	char *p;
 #ifdef CONFIG_BLOCK
 	char b[BDEVNAME_SIZE];
-- 
1.6.0.6

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