From: Andrea Righi andrea.righi@canonical.com
[ Upstream commit f48ad69097fe79d1de13c4d8fef556d4c11c5e68 ]
Make sure to use pclose() to properly close the pipe opened by popen().
Fixes: 81f77fd0deeb ("bpf: add selftest for stackmap with BPF_F_STACK_BUILD_ID") Signed-off-by: Andrea Righi andrea.righi@canonical.com Signed-off-by: Daniel Borkmann daniel@iogearbox.net Reviewed-by: Shuah Khan skhan@linuxfoundation.org Acked-by: Martin KaFai Lau kafai@fb.com Link: https://lore.kernel.org/bpf/20211026143409.42666-1-andrea.righi@canonical.co... Signed-off-by: Sasha Levin sashal@kernel.org --- tools/testing/selftests/bpf/test_progs.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c index cc1cd240445d2..e3fea6f281e4b 100644 --- a/tools/testing/selftests/bpf/test_progs.c +++ b/tools/testing/selftests/bpf/test_progs.c @@ -370,7 +370,7 @@ int extract_build_id(char *build_id, size_t size)
if (getline(&line, &len, fp) == -1) goto err; - fclose(fp); + pclose(fp);
if (len > size) len = size; @@ -379,7 +379,7 @@ int extract_build_id(char *build_id, size_t size) free(line); return 0; err: - fclose(fp); + pclose(fp); return -1; }