Commit ba749719 authored May 21, 2020 by Xie XiuQi Committed by Greg Kroah-Hartman Oct 01, 2020

perf util: Fix memory leak of prefix_if_not_in



[ 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>

parent f93c17d3

tools/perf/util/sort.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -2532,7 +2532,7 @@ 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;