Index: drbd/drbd_receiver.c
===================================================================
--- drbd/drbd_receiver.c	(revision 2687)
+++ drbd/drbd_receiver.c	(working copy)
@@ -2894,7 +2894,7 @@
 	return 0;
 }
 
-#ifndef CONFIG_CRYPTO_HMAC
+#if !defined(CONFIG_CRYPTO_HMAC) && !defined(CONFIG_CRYPTO_HMAC_MODULE)
 STATIC int drbd_do_auth(drbd_dev *mdev)
 {
 	ERR( "This kernel was build without CONFIG_CRYPTO_HMAC.\n");
Index: drbd/drbd_nl.c
===================================================================
--- drbd/drbd_nl.c	(revision 2687)
+++ drbd/drbd_nl.c	(working copy)
@@ -1052,7 +1052,8 @@
 	if( new_conf->cram_hmac_alg[0] != 0) {
 		snprintf(hmac_name,HMAC_NAME_L,"hmac(%s)",new_conf->cram_hmac_alg);
 		tfm = crypto_alloc_hash(hmac_name, 0, CRYPTO_ALG_ASYNC);
-		if (tfm == NULL) {
+		if (IS_ERR(tfm)) {
+			tfm = NULL;
 			retcode=CRAMAlgNotAvail;
 			goto fail;
 		}
Index: user/drbdsetup.c
===================================================================
--- user/drbdsetup.c	(revision 2687)
+++ user/drbdsetup.c	(working copy)
@@ -359,8 +359,8 @@
 	EM(MDIOError) = "IO error(s) orruced during initial access to meta-data.\n",
 	EM(MDInvalid) = "No valid meta-data signature found.\n)"
 	"Use 'drbdadm create-md res' to initialize meta-data area.\n",
-	EM(CRAMAlgNotAvail) = "The 'cram-hmac-alg' you specified is not known in )"
-	"the kernel.\n",
+	EM(CRAMAlgNotAvail) = "The 'cram-hmac-alg' you specified is not known in "
+	"the kernel. (maybe you need to modprobe it, or modprobe hmac?)\n",
 	EM(CRAMAlgNotDigest) = "The 'cram-hmac-alg' you specified is not a digest.",
 	EM(KMallocFailed) = "kmalloc() failed. Out of memory?",
 	EM(DiscardNotAllowed) = "--discard-my-data not allowed when primary.",