selftests/powerpc: Fix resource leaks

Message ID 20221205084429.570654-1-linmq006@gmail.com
State New
Headers
Series selftests/powerpc: Fix resource leaks |

Commit Message

Miaoqian Lin Dec. 5, 2022, 8:44 a.m. UTC
  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>
---
 tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
  

Comments

Michael Ellerman Dec. 8, 2022, 12:40 p.m. UTC | #1
On Mon, 5 Dec 2022 12:44:27 +0400, Miaoqian Lin wrote:
> 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.
> 
> 
> [...]

Applied to powerpc/next.

[1/1] selftests/powerpc: Fix resource leaks
      https://git.kernel.org/powerpc/c/8f4ab7da904ab7027ccd43ddb4f0094e932a5877

cheers
  

Patch

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;