From: Steven Rostedt (Red Hat) Date: Wed, 29 May 2013 19:56:49 +0000 (-0400) Subject: tracing: Fix bad parameter passed in branch selftest X-Git-Tag: firefly_0821_release~3680^2~325^2~2 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0184d50f9fd17658c232d6ee6d465a87f989d706;p=firefly-linux-kernel-4.4.55.git tracing: Fix bad parameter passed in branch selftest The branch selftest calls trace_test_buffer(), but with the new code it expects the first parameter to be a pointer to a struct trace_buffer. All self tests were changed but the branch selftest was missed. This caused either a crash or failed test when the branch selftest was enabled. Link: http://lkml.kernel.org/r/20130529141333.GA24064@localhost Reported-by: Fengguang Wu Signed-off-by: Steven Rostedt --- diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c index 55e2cf66967b..2901e3b88590 100644 --- a/kernel/trace/trace_selftest.c +++ b/kernel/trace/trace_selftest.c @@ -1159,7 +1159,7 @@ trace_selftest_startup_branch(struct tracer *trace, struct trace_array *tr) /* stop the tracing. */ tracing_stop(); /* check the trace buffer */ - ret = trace_test_buffer(tr, &count); + ret = trace_test_buffer(&tr->trace_buffer, &count); trace->reset(tr); tracing_start();