[dm-devel] [PATCH] dm-ioctl: Don't leak memory in target_message() if 'argc' is NULL
Jesper Juhl
jj at chaosbits.net
Sun Nov 6 22:20:14 UTC 2011
If 'argc' is NULL we'll jump to the 'out:' label, but this will leak
the memory that 'dm_split_args()' allocated for 'argv', so we should
be jumping to the 'out_argv:' label instead to free up that
memory. This patch does so.
Signed-off-by: Jesper Juhl <jj at chaosbits.net>
---
drivers/md/dm-ioctl.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
note: compile tested only.
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 31c2dc2..1ce84ed 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -1437,7 +1437,7 @@ static int target_message(struct dm_ioctl *param, size_t param_size)
if (!argc) {
DMWARN("Empty message received.");
- goto out;
+ goto out_argv;
}
table = dm_get_live_table(md);
--
1.7.7.2
--
Jesper Juhl <jj at chaosbits.net> http://www.chaosbits.net/
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