dm exception store: free tmp_store on persistent flag error

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

Cc: stable@kernel.org
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c
index 7dbe652efb5a..205215968ff1 100644
--- 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) {