[PATCH] selftests/bpf: fix fclose/pclose mismatch

From: Andrea Righi
Date: Tue Oct 26 2021 - 10:34:17 EST


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@xxxxxxxxxxxxx>
---
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 cc1cd240445d..e3fea6f281e4 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;
}

--
2.32.0