From: Yunfeng Ye <yeyunf...@huawei.com>

The memory @orig_flags is allocated by strdup(), it is freed on the
normal path, but leak to free on the error path.

Fix this by adding free(orig_flags) on the error path.

Fixes: 0e11115644b3 ("perf kmem: Print gfp flags in human readable string")
Signed-off-by: Yunfeng Ye <yeyunf...@huawei.com>
Cc: Alexander Shishkin <alexander.shish...@linux.intel.com>
Cc: Feilong Lin <linfeil...@huawei.com>
Cc: Hu Shiyuan <hushiy...@huawei.com>
Cc: Jiri Olsa <jo...@redhat.com>
Cc: Mark Rutland <mark.rutl...@arm.com>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Peter Zijlstra <pet...@infradead.org>
Link: 
http://lore.kernel.org/lkml/f9e9f458-96f3-4a97-a1d5-9feec2420...@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/builtin-kmem.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index 1e61e353f579..9661671cc26e 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -691,6 +691,7 @@ static char *compact_gfp_flags(char *gfp_flags)
                        new = realloc(new_flags, len + strlen(cpt) + 2);
                        if (new == NULL) {
                                free(new_flags);
+                               free(orig_flags);
                                return NULL;
                        }
 
-- 
2.21.0

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