* [PATCH] ext4: extents: len and lblock may be used uninitialized
@ 2013-07-25 0:33 Andi Shyti
2013-08-28 18:20 ` Theodore Ts'o
0 siblings, 1 reply; 2+ messages in thread
From: Andi Shyti @ 2013-07-25 0:33 UTC (permalink / raw)
To: tytso, adilger.kernel; +Cc: linux-ext4, linux-kernel, andi
if ext_debugging is enabled and path[depth].p_ext is NULL, len
and lblock are printed non initialized
Signed-off-by: Andi Shyti <andi@etezian.org>
---
fs/ext4/extents.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index a618738..acaf53c 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2195,8 +2195,8 @@ ext4_ext_put_gap_in_cache(struct inode *inode, struct ext4_ext_path *path,
ext4_lblk_t block)
{
int depth = ext_depth(inode);
- unsigned long len;
- ext4_lblk_t lblock;
+ unsigned long len = 0;
+ ext4_lblk_t lblock = 0;
struct ext4_extent *ex;
ex = path[depth].p_ext;
@@ -2233,7 +2233,6 @@ ext4_ext_put_gap_in_cache(struct inode *inode, struct ext4_ext_path *path,
ext4_es_insert_extent(inode, lblock, len, ~0,
EXTENT_STATUS_HOLE);
} else {
- lblock = len = 0;
BUG();
}
--
1.8.3.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ext4: extents: len and lblock may be used uninitialized
2013-07-25 0:33 [PATCH] ext4: extents: len and lblock may be used uninitialized Andi Shyti
@ 2013-08-28 18:20 ` Theodore Ts'o
0 siblings, 0 replies; 2+ messages in thread
From: Theodore Ts'o @ 2013-08-28 18:20 UTC (permalink / raw)
To: Andi Shyti; +Cc: adilger.kernel, linux-ext4, linux-kernel
On Thu, Jul 25, 2013 at 02:33:05AM +0200, Andi Shyti wrote:
> if ext_debugging is enabled and path[depth].p_ext is NULL, len
> and lblock are printed non initialized
>
> Signed-off-by: Andi Shyti <andi@etezian.org>
Thanks, applied.
- Ted
^ permalink raw reply [flat|nested] 2+ messages in thread
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2013-08-28 18:20 ` Theodore Ts'o
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