crypto_alloc_hash returns an error code, not NULL.
Signed-off-by: Insu Yun <wuni...@gmail.com>
---
drivers/block/drbd/drbd_receiver.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/block/drbd/drbd_receiver.c
b/drivers/block/drbd/drbd_receiver.c
index 1957fe8..9063462 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -3403,7 +3403,7 @@ static int receive_protocol(struct drbd_connection
*connection, struct packet_in
*/
peer_integrity_tfm = crypto_alloc_hash(integrity_alg, 0,
CRYPTO_ALG_ASYNC);
- if (!peer_integrity_tfm) {
+ if (IS_ERR(peer_integrity_tfm)) {
drbd_err(connection, "peer data-integrity-alg %s not
supported\n",
integrity_alg);
goto disconnect;
--
1.9.1
