perf_event: Fix compile error

Fix:

 cc1: warnings being treated as errors
 builtin-probe.c: In function 'cmd_probe':
 builtin-probe.c:163: error: unused variable 'fd'

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Cc: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <4B162089.8000907@cn.fujitsu.com>
[ v2: use NO_LIBDWARF instead of __used ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Xiao Guangrong 2009-12-02 16:08:41 +08:00 committed by Ingo Molnar
parent c19e33aa84
commit bdad0db7db

View file

@ -160,7 +160,10 @@ static const struct option options[] = {
int cmd_probe(int argc, const char **argv, const char *prefix __used)
{
int i, j, fd, ret;
int i, j, ret;
#ifndef NO_LIBDWARF
int fd;
#endif
struct probe_point *pp;
argc = parse_options(argc, argv, options, probe_usage,