perf kmem: Fix compiler warning about may be accessing uninitialized variable
authorArnaldo Carvalho de Melo <acme@redhat.com>
Fri, 29 May 2015 12:48:13 +0000 (09:48 -0300)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Fri, 29 May 2015 15:43:40 +0000 (12:43 -0300)
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.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/n/tip-8e8rgbg3aom9uarsyqjrsctg@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/builtin-kmem.c

index 254614b..950f296 100644 (file)
@@ -644,7 +644,7 @@ static char *compact_gfp_flags(char *gfp_flags)
 {
        char *orig_flags = strdup(gfp_flags);
        char *new_flags = NULL;
-       char *str, *pos;
+       char *str, *pos = NULL;
        size_t len = 0;
 
        if (orig_flags == NULL)