Skip to contentSkip to conversation

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

tip:perf/core tip-bot for Arnaldo Carvalho de Melo 1 participant 1 message May 29, 2015 perf events

lore
Share & tools
lore
#0 lore raw
Commit-ID:  b236512280fb96dcca45a3f5bbae1839bd673e58
Gitweb:     http://git.kernel.org/tip/b236512280fb96dcca45a3f5bbae1839bd673e58
Author:     Arnaldo Carvalho de Melo <[email protected]>
AuthorDate: Fri, 29 May 2015 09:48:13 -0300
Committer:  Arnaldo Carvalho de Melo <[email protected]>
CommitDate: Fri, 29 May 2015 12:43:40 -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.

---
 tools/perf/builtin-kmem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
tools/perf/builtin-kmem.c +1 -1
index 254614b..950f296 100644
@@ -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)