X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=kernel%2Ftrace%2Ftrace_nop.c;h=394f94417e2f9edadbfdd449a90f5b8fd9ddd166;hb=f1bb13070802869da9e5c993a86d905c41f1ec28;hp=9aa84bde23cd2d10e2207d635a908cc958286deb;hpb=7243f2145a9b06e5cf9a49fc9b8b9a4fff6fb42e;p=firefly-linux-kernel-4.4.55.git

diff --git a/kernel/trace/trace_nop.c b/kernel/trace/trace_nop.c
index 9aa84bde23cd..394f94417e2f 100644
--- a/kernel/trace/trace_nop.c
+++ b/kernel/trace/trace_nop.c
@@ -91,6 +91,7 @@ struct tracer nop_trace __read_mostly =
 	.name		= "nop",
 	.init		= nop_trace_init,
 	.reset		= nop_trace_reset,
+	.wait_pipe	= poll_wait_pipe,
 #ifdef CONFIG_FTRACE_SELFTEST
 	.selftest	= trace_selftest_startup_nop,
 #endif