3.9-stable review patch. If anyone has any objections, please let me know.
------------------ From: Wei Yongjun <[email protected]> commit fa4d683af3693863bec761e2761a07e4c1351f86 upstream. Return -ENOMEM if memory allocation fails in cache_create instead of 0 (to avoid NULL pointer dereference). Signed-off-by: Wei Yongjun <[email protected]> Signed-off-by: Alasdair G Kergon <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/md/dm-cache-target.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -1971,6 +1971,7 @@ static int cache_create(struct cache_arg atomic_set(&cache->nr_migrations, 0); init_waitqueue_head(&cache->migration_wait); + r = -ENOMEM; cache->nr_dirty = 0; cache->dirty_bitset = alloc_bitset(from_cblock(cache->cache_size)); if (!cache->dirty_bitset) { -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
