Messages in this thread Patch in this message | | | Date | Thu, 14 May 2015 23:42:43 -0700 | From | tip-bot for Arnaldo Carvalho de Melo <> | Subject | [tip:perf/core] perf kmem: Fix compiler warning about may be accessing uninitialized variable |
| |
Commit-ID: 08a9b9857fc2d77600f09f3d342f6c64d25083b2 Gitweb: http://git.kernel.org/tip/08a9b9857fc2d77600f09f3d342f6c64d25083b2 Author: Arnaldo Carvalho de Melo <acme@redhat.com> AuthorDate: Mon, 11 May 2015 11:41:17 -0300 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> 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 <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> --- 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 = {
| |