dm exception store: free tmp_store on persistent flag error

commit 613978f8711c7fd4d0aa856872375d2abd7c92ff upstream.

Error handling code following a kmalloc should free the allocated data.

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c
index 7dbe652efb5aabe8b42bbae0847ab9d062197495..205215968ff119e40890d26ed9f62422ab96dd5f 100644 (file)
--- a/drivers/md/dm-exception-store.c
+++ b/drivers/md/dm-exception-store.c
@@ -216,7 +216,8 @@ int dm_exception_store_create(struct dm_target *ti, int argc, char **argv,
                type = get_type("N");
        else {
                ti->error = "Persistent flag is not P or N";
-               return -EINVAL;
+               r = -EINVAL;
+               goto bad_type;
        }
 
        if (!type) {