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| author | Ingo Molnar <mingo@elte.hu> | 2010-03-18 18:51:16 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-03-18 19:03:24 +0300 |
| commit | 55632770d7298835645489828af87f854c47749c (patch) | |
| tree | f060dac4334f4871e9f79d587ba9552ffb0ffba1 /tools/perf/util/probe-event.c | |
| parent | 7335f75e9ca166044e38a96abad422d8e6e364b5 (diff) | |
| download | linux-55632770d7298835645489828af87f854c47749c.tar.xz | |
perf events: Fix false positive build warning with older GCC's
gcc 4.2.1 produces:
util/probe-event.c: In function 'add_perf_probe_events':
util/probe-event.c:883: warning: 'tev' may be used uninitialized in this function
make: *** [util/probe-event.o] Error 1
Newer GCCs get this right.
To work it around, initialize the variable to NULL so that older GCCs see
it as initialized too.
Cc: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20100316220612.32050.33806.stgit@localhost6.localdomain6>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util/probe-event.c')
| -rw-r--r-- | tools/perf/util/probe-event.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index f33326980583..c6603f3bb430 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -880,7 +880,7 @@ static void __add_kprobe_trace_events(struct perf_probe_event *pev, int ntevs, bool allow_suffix) { int i, fd; - struct kprobe_trace_event *tev; + struct kprobe_trace_event *tev = NULL; char buf[64]; const char *event, *group; struct strlist *namelist; |