Commit 1b57e663 authored by Lars Ellenberg's avatar Lars Ellenberg Committed by Jens Axboe

drbd: correctly handle failed crypto_alloc_hash

crypto_alloc_hash returns an ERR_PTR(), not NULL.

Also reset peer_integrity_tfm to NULL, to not call crypto_free_hash()
on an errno in the cleanup path.
Reported-by: default avatarInsu Yun <>
Signed-off-by: default avatarPhilipp Reisner <>
Signed-off-by: default avatarLars Ellenberg <>
Signed-off-by: default avatarJens Axboe <>
parent 27ea1d87
......@@ -3681,7 +3681,8 @@ static int receive_protocol(struct drbd_connection *connection, struct packet_in
peer_integrity_tfm = crypto_alloc_ahash(integrity_alg, 0, CRYPTO_ALG_ASYNC);
if (!peer_integrity_tfm) {
if (IS_ERR(peer_integrity_tfm)) {
peer_integrity_tfm = NULL;
drbd_err(connection, "peer data-integrity-alg %s not supported\n",
goto disconnect;
......@@ -51,7 +51,7 @@
extern const char *drbd_buildtag(void);
#define REL_VERSION "8.4.6"
#define REL_VERSION "8.4.7"
#define API_VERSION 1
#define PRO_VERSION_MIN 86
#define PRO_VERSION_MAX 101
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