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| author |   Miaoqian Lin <linmq006@gmail.com> | 2022-12-05 12:44:27 +0400 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2022-12-05 21:39:15 +1100 |
| commit | 8f4ab7da904ab7027ccd43ddb4f0094e932a5877 (patch) | |
| tree | 6fd0a79c9aedce9474b9f29d934290618a7cef3f /tools/testing/selftests/powerpc/dscr | |
| parent | powerpc/code-patching: Remove protection against patching init addresses after init (diff) | |
| download | wireguard-linux-8f4ab7da904ab7027ccd43ddb4f0094e932a5877.tar.xz wireguard-linux-8f4ab7da904ab7027ccd43ddb4f0094e932a5877.zip | |
selftests/powerpc: Fix resource leaks
In check_all_cpu_dscr_defaults, opendir() opens the directory stream.
Add missing closedir() in the error path to release it.
In check_cpu_dscr_default, open() creates an open file descriptor.
Add missing close() in the error path to release it.
Fixes: ebd5858c904b ("selftests/powerpc: Add test for all DSCR sysfs interfaces")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20221205084429.570654-1-linmq006@gmail.com
Diffstat (limited to 'tools/testing/selftests/powerpc/dscr')
| -rw-r--r-- | tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c b/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c index fbbdffdb2e5d..f20d1c166d1e 100644 --- a/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c +++ b/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c @@ -24,6 +24,7 @@ static int check_cpu_dscr_default(char *file, unsigned long val) rc = read(fd, buf, sizeof(buf)); if (rc == -1) { perror("read() failed"); + close(fd); return 1; } close(fd); @@ -65,8 +66,10 @@ static int check_all_cpu_dscr_defaults(unsigned long val) if (access(file, F_OK)) continue; - if (check_cpu_dscr_default(file, val)) + if (check_cpu_dscr_default(file, val)) { + closedir(sysfs); return 1; + } } closedir(sysfs); return 0; |