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perf kmem: Fix compiler warning about may be accessing uninitialized variable

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The last argument to strtok_r doesn't need to be initialized, its just a
placeholder to make this routine reentrant, but gcc doesn't know about
that and complains, breaking the build, fix it by setting it to NULL.

Fixes: 0e11115644 ("perf kmem: Print gfp flags in human readable string")
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-iyyvkbnkrd9g19f6ta9zfkem@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2015-05-11 11:41:17 -03:00
parent a41f3c8cd4
commit 08a9b9857f
1 changed files with 1 additions and 1 deletions
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2
tools/perf/builtin-kmem.c
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@ -713,7 +713,7 @@ static int parse_gfp_flags(struct perf_evsel *evsel, struct perf_sample *sample,
.size = sample->raw_size,
};
struct trace_seq seq;
char *str, *pos;
char *str, *pos = NULL;
if (nr_gfps) {
struct gfp_flag key = {