perf kmem: Fix compiler warning about may be accessing uninitialized variable
tip-bot for Arnaldo Carvalho de Melo
merge botCommit-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]>
Signed-off-by Arnaldo Carvalho de Melo <[email protected]>
--- tools/perf/builtin-kmem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
tools/perf/builtin-kmem.c +1 -1
@@ -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 = {