diff options
Diffstat (limited to 'tools/testing/selftests/net/lib')
| -rw-r--r-- | tools/testing/selftests/net/lib/ksft.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/testing/selftests/net/lib/ksft.h b/tools/testing/selftests/net/lib/ksft.h index 17dc34a612c6..03912902a6d3 100644 --- a/tools/testing/selftests/net/lib/ksft.h +++ b/tools/testing/selftests/net/lib/ksft.h @@ -24,7 +24,8 @@ static inline void ksft_ready(void) fd = STDOUT_FILENO; } - write(fd, msg, sizeof(msg)); + if (write(fd, msg, sizeof(msg)) < 0) + perror("write()"); if (fd != STDOUT_FILENO) close(fd); } @@ -48,7 +49,8 @@ static inline void ksft_wait(void) fd = STDIN_FILENO; } - read(fd, &byte, sizeof(byte)); + if (read(fd, &byte, sizeof(byte)) < 0) + perror("read()"); if (fd != STDIN_FILENO) close(fd); } |