X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Flinux%2Fring_buffer.h;h=49a4d6f59108f957d4534190c161344981c48e46;hb=561237e441b2183b6e22a1c76a23480ff1eedb95;hp=d69cf637a15a3093863cd33f09929b87d73fd0a9;hpb=5f4b3e2d0a35f52fe522d8bacc0631d0271e709a;p=firefly-linux-kernel-4.4.55.git

diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
index d69cf637a15a..49a4d6f59108 100644
--- a/include/linux/ring_buffer.h
+++ b/include/linux/ring_buffer.h
@@ -97,7 +97,7 @@ __ring_buffer_alloc(unsigned long size, unsigned flags, struct lock_class_key *k
 	__ring_buffer_alloc((size), (flags), &__key);	\
 })
 
-void ring_buffer_wait(struct ring_buffer *buffer, int cpu);
+int ring_buffer_wait(struct ring_buffer *buffer, int cpu);
 int ring_buffer_poll_wait(struct ring_buffer *buffer, int cpu,
 			  struct file *filp, poll_table *poll_table);