* [PATCH] fix a leak in bch_cached_dev_run()
@ 2014-10-30 5:42 Al Viro
2014-11-01 20:38 ` Kent Overstreet
0 siblings, 1 reply; 2+ messages in thread
From: Al Viro @ 2014-10-30 5:42 UTC (permalink / raw)
To: Kent Overstreet; +Cc: linux-kernel, linux-bcache
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -878,8 +878,11 @@ void bch_cached_dev_run(struct cached_dev *dc)
buf[SB_LABEL_SIZE] = '\0';
env[2] = kasprintf(GFP_KERNEL, "CACHED_LABEL=%s", buf);
- if (atomic_xchg(&dc->running, 1))
+ if (atomic_xchg(&dc->running, 1)) {
+ kfree(env[1]);
+ kfree(env[2]);
return;
+ }
if (!d->c &&
BDEV_STATE(&dc->sb) != BDEV_STATE_NONE) {
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH] fix a leak in bch_cached_dev_run()
2014-10-30 5:42 [PATCH] fix a leak in bch_cached_dev_run() Al Viro
@ 2014-11-01 20:38 ` Kent Overstreet
0 siblings, 0 replies; 2+ messages in thread
From: Kent Overstreet @ 2014-11-01 20:38 UTC (permalink / raw)
To: Al Viro; +Cc: linux-kernel, linux-bcache
On Thu, Oct 30, 2014 at 05:42:09AM +0000, Al Viro wrote:
> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
>
> diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
> --- a/drivers/md/bcache/super.c
> +++ b/drivers/md/bcache/super.c
> @@ -878,8 +878,11 @@ void bch_cached_dev_run(struct cached_dev *dc)
> buf[SB_LABEL_SIZE] = '\0';
> env[2] = kasprintf(GFP_KERNEL, "CACHED_LABEL=%s", buf);
>
> - if (atomic_xchg(&dc->running, 1))
> + if (atomic_xchg(&dc->running, 1)) {
> + kfree(env[1]);
> + kfree(env[2]);
> return;
> + }
>
> if (!d->c &&
> BDEV_STATE(&dc->sb) != BDEV_STATE_NONE) {
Thanks, applied
^ permalink raw reply [flat|nested] 2+ messages in thread
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2014-10-30 5:42 [PATCH] fix a leak in bch_cached_dev_run() Al Viro
2014-11-01 20:38 ` Kent Overstreet
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