Commit-ID: 08a9b9857fc2d77600f09f3d342f6c64d25083b2
Gitweb: http://git.kernel.org/tip/08a9b9857fc2d77600f09f3d342f6c64d25083b2
Author: Arnaldo Carvalho de Melo <[email protected]>
AuthorDate: Mon, 11 May 2015 11:41:17 -0300
Committer: Arnaldo Carvalho de Melo <[email protected]>
CommitDate: Tue, 12 May 2015 09:59:47 -0300
perf kmem: Fix compiler warning about may be accessing uninitialized variable
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: 0e11115644b3 ("perf kmem: Print gfp flags in human readable string")
Cc: Adrian Hunter <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Don Zickus <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
tools/perf/builtin-kmem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index e0173c7..254614b 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -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 = {
--
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