When return on an error path, file handle need to be closed to prevent resource leak
Signed-off-by: Ding Xiang dingxiang@cmss.chinamobile.com --- tools/testing/selftests/vm/ksm_tests.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/tools/testing/selftests/vm/ksm_tests.c b/tools/testing/selftests/vm/ksm_tests.c index 2fcf24312da8..f5e4e0bbd081 100644 --- a/tools/testing/selftests/vm/ksm_tests.c +++ b/tools/testing/selftests/vm/ksm_tests.c @@ -54,6 +54,7 @@ static int ksm_write_sysfs(const char *file_path, unsigned long val) } if (fprintf(f, "%lu", val) < 0) { perror("fprintf"); + fclose(f); return 1; } fclose(f); @@ -72,6 +73,7 @@ static int ksm_read_sysfs(const char *file_path, unsigned long *val) } if (fscanf(f, "%lu", val) != 1) { perror("fscanf"); + fclose(f); return 1; } fclose(f);
On 6/15/22 3:36 AM, Ding Xiang wrote:
When return on an error path, file handle need to be closed to prevent resource leak
Signed-off-by: Ding Xiang dingxiang@cmss.chinamobile.com
tools/testing/selftests/vm/ksm_tests.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/tools/testing/selftests/vm/ksm_tests.c b/tools/testing/selftests/vm/ksm_tests.c index 2fcf24312da8..f5e4e0bbd081 100644 --- a/tools/testing/selftests/vm/ksm_tests.c +++ b/tools/testing/selftests/vm/ksm_tests.c @@ -54,6 +54,7 @@ static int ksm_write_sysfs(const char *file_path, unsigned long val) } if (fprintf(f, "%lu", val) < 0) { perror("fprintf");
return 1; } fclose(f);fclose(f);
@@ -72,6 +73,7 @@ static int ksm_read_sysfs(const char *file_path, unsigned long *val) } if (fscanf(f, "%lu", val) != 1) { perror("fscanf");
return 1; } fclose(f);fclose(f);
Looks good to me.
Reviewed-by: Shuah Khan skhan@linuxfoundation.org
thanks, -- Shuah
On 6/16/22 2:11 PM, Shuah Khan wrote:
On 6/15/22 3:36 AM, Ding Xiang wrote:
When return on an error path, file handle need to be closed to prevent resource leak
Signed-off-by: Ding Xiang dingxiang@cmss.chinamobile.com
tools/testing/selftests/vm/ksm_tests.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/tools/testing/selftests/vm/ksm_tests.c b/tools/testing/selftests/vm/ksm_tests.c index 2fcf24312da8..f5e4e0bbd081 100644 --- a/tools/testing/selftests/vm/ksm_tests.c +++ b/tools/testing/selftests/vm/ksm_tests.c @@ -54,6 +54,7 @@ static int ksm_write_sysfs(const char *file_path, unsigned long val) } if (fprintf(f, "%lu", val) < 0) { perror("fprintf"); + fclose(f); return 1; } fclose(f); @@ -72,6 +73,7 @@ static int ksm_read_sysfs(const char *file_path, unsigned long *val) } if (fscanf(f, "%lu", val) != 1) { perror("fscanf"); + fclose(f); return 1; } fclose(f);
Looks good to me.
Reviewed-by: Shuah Khan skhan@linuxfoundation.org
I applied this to linux-kselftest fixes for next rc.
thanks, -- Shuah
linux-kselftest-mirror@lists.linaro.org