| Message ID | 20231114093812.7169-1-zhujun2@cmss.chinamobile.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | selftests/media_tests: fix a resource leak | expand |
On 2023-11-14 04:38, zhujun2 wrote: > The opened file should be closed in main(), otherwise resource > leak will occur that this problem was discovered by code reading Fixing resource leaks for one-off test cases (processes execute and then immediately exit) seems to be something that would fit in the definition of "trivial", so I would advise to perhaps send those patches to kernel-janitors@vger.kernel.org ? [...] > + > + close(fd); These added calls to close(2) miss handling of possible close errors (check return value and use errno to print an error). Thanks, Mathieu
diff --git a/tools/testing/selftests/media_tests/media_device_open.c b/tools/testing/selftests/media_tests/media_device_open.c index 93183a37b133..2dfb2a11b148 100644 --- a/tools/testing/selftests/media_tests/media_device_open.c +++ b/tools/testing/selftests/media_tests/media_device_open.c @@ -70,6 +70,7 @@ int main(int argc, char **argv) fd = open(media_device, O_RDWR); if (fd == -1) { printf("Media Device open errno %s\n", strerror(errno)); + close(fd); exit(-1); } @@ -79,4 +80,6 @@ int main(int argc, char **argv) else printf("Media device model %s driver %s\n", mdi.model, mdi.driver); + + close(fd); } diff --git a/tools/testing/selftests/media_tests/media_device_test.c b/tools/testing/selftests/media_tests/media_device_test.c index 4b9953359e40..7cabb62535a7 100644 --- a/tools/testing/selftests/media_tests/media_device_test.c +++ b/tools/testing/selftests/media_tests/media_device_test.c @@ -79,6 +79,7 @@ int main(int argc, char **argv) fd = open(media_device, O_RDWR); if (fd == -1) { printf("Media Device open errno %s\n", strerror(errno)); + close(fd); exit(-1); } @@ -100,4 +101,6 @@ int main(int argc, char **argv) sleep(10); count--; } + + close(fd); }
The opened file should be closed in main(), otherwise resource leak will occur that this problem was discovered by code reading Signed-off-by: zhujun2 <zhujun2@cmss.chinamobile.com> --- tools/testing/selftests/media_tests/media_device_open.c | 3 +++ tools/testing/selftests/media_tests/media_device_test.c | 3 +++ 2 files changed, 6 insertions(+)