diff options
author | Abhinav Jain <[email protected]> | 2024-08-10 19:23:33 +0530 |
---|---|---|
committer | Shuah Khan <[email protected]> | 2024-09-03 11:42:55 -0600 |
commit | b4bcdff7e839237d89a2aa15b6042b96b0240ac4 (patch) | |
tree | 54e546aa9e2779748755148ce7e7633be27df03f | |
parent | 611fbeb44a777e5ab54ab3127ec85f72147911d8 (diff) |
selftests: filesystems: fix warn_unused_result build warnings
Add return value checks for read & write calls in test_listmount_ns
function. This patch resolves below compilation warnings:
```
statmount_test_ns.c: In function ‘test_listmount_ns’:
statmount_test_ns.c:322:17: warning: ignoring return value of ‘write’
declared with attribute ‘warn_unused_result’ [-Wunused-result]
statmount_test_ns.c:323:17: warning: ignoring return value of ‘read’
declared with attribute ‘warn_unused_result’ [-Wunused-result]
```
Signed-off-by: Abhinav Jain <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
-rw-r--r-- | tools/testing/selftests/filesystems/statmount/statmount_test_ns.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/tools/testing/selftests/filesystems/statmount/statmount_test_ns.c b/tools/testing/selftests/filesystems/statmount/statmount_test_ns.c index e044f5fc57fd..70cb0c8b21cf 100644 --- a/tools/testing/selftests/filesystems/statmount/statmount_test_ns.c +++ b/tools/testing/selftests/filesystems/statmount/statmount_test_ns.c @@ -319,8 +319,11 @@ static void test_listmount_ns(void) * Tell our parent how many mounts we have, and then wait for it * to tell us we're done. */ - write(child_ready_pipe[1], &nr_mounts, sizeof(nr_mounts)); - read(parent_ready_pipe[0], &cval, sizeof(cval)); + if (write(child_ready_pipe[1], &nr_mounts, sizeof(nr_mounts)) != + sizeof(nr_mounts)) + ret = NSID_ERROR; + if (read(parent_ready_pipe[0], &cval, sizeof(cval)) != sizeof(cval)) + ret = NSID_ERROR; exit(NSID_PASS); } |