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>

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) {