From: Xie XiuQi xiexiuqi@huawei.com
[ Upstream commit 07e9a6f538cbeecaf5c55b6f2991416f873cdcbd ]
Need to free "str" before return when asprintf() failed to avoid memory leak.
Signed-off-by: Xie XiuQi xiexiuqi@huawei.com Cc: Alexander Shishkin alexander.shishkin@linux.intel.com Cc: Hongbo Yao yaohongbo@huawei.com Cc: Jiri Olsa jolsa@redhat.com Cc: Li Bin huawei.libin@huawei.com Cc: Mark Rutland mark.rutland@arm.com Cc: Namhyung Kim namhyung@kernel.org Link: http://lore.kernel.org/lkml/20200521133218.30150-4-liwei391@huawei.com Signed-off-by: Arnaldo Carvalho de Melo acme@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- tools/perf/util/sort.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index 46daa22b86e3b..85ff4f68adc00 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -2690,7 +2690,7 @@ static char *prefix_if_not_in(const char *pre, char *str) return str;
if (asprintf(&n, "%s,%s", pre, str) < 0) - return NULL; + n = NULL;
free(str); return n;