diff --git a/drbd.changes b/drbd.changes
index 7e872a1..60fc48c 100644
--- a/drbd.changes
+++ b/drbd.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Nov  3 11:21:13 UTC 2020 - nick wang <nwang@suse.com>
+
+- bsc#1178388, build error with -Wreturn-type
+  Add patch fix-err-of-wrong-return-type.patch
+
 -------------------------------------------------------------------
 Tue Oct 20 03:49:16 UTC 2020 - nick wang <nwang@suse.com>
 
diff --git a/drbd.spec b/drbd.spec
index aac5125..5d783c4 100644
--- a/drbd.spec
+++ b/drbd.spec
@@ -45,6 +45,7 @@ Patch7:         compat_generic_make_request.patch
 Patch8:         blk_alloc_queue_make_request.patch
 Patch9:         remove_congested_fn_congested_data.patch
 Patch10:        compat_blk_queue_stack_limits.patch
+Patch11:        fix-err-of-wrong-return-type.patch
 Patch99:        suse-coccinelle.patch
 #https://github.com/openSUSE/rpmlint-checks/blob/master/KMPPolicyCheck.py
 BuildRequires:  coccinelle >= 1.0.8
@@ -88,6 +89,7 @@ installed kernel.
 %patch8 -p1
 %patch9 -p1
 %patch10 -p1
+%patch11 -p1
 %patch99 -p1
 
 mkdir source
diff --git a/fix-err-of-wrong-return-type.patch b/fix-err-of-wrong-return-type.patch
new file mode 100644
index 0000000..18307d0
--- /dev/null
+++ b/fix-err-of-wrong-return-type.patch
@@ -0,0 +1,11 @@
+diff -Naur drbd-9.0.16+git.ab9777df.orig/drbd/drbd-kernel-compat/tests/have_blk_qc_t_make_request.c drbd-9.0.16+git.ab9777df/drbd/drbd-kernel-compat/tests/have_blk_qc_t_make_request.c
+--- drbd-9.0.16+git.ab9777df.orig/drbd/drbd-kernel-compat/tests/have_blk_qc_t_make_request.c	2020-11-03 17:45:49.362231056 +0800
++++ drbd-9.0.16+git.ab9777df/drbd/drbd-kernel-compat/tests/have_blk_qc_t_make_request.c	2020-11-03 19:11:54.843913135 +0800
+@@ -11,6 +11,7 @@
+ 
+ blk_qc_t drbd_make_request(struct request_queue *q, struct bio *bio)
+ {
++		return 0;
+ }
+ 
+ #ifndef __same_type