Fix

ksft.h: In function ‘ksft_ready’: ksft.h:27:9: error: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’

ksft.h: In function ‘ksft_wait’: ksft.h:51:9: error: ignoring return value of ‘read’ declared with attribute ‘warn_unused_result’

by checking and then ignoring the return value of the affected functions.

Fixes: 2b6d490b82668 ("selftests: drv-net: Factor out ksft C helpers") Cc: Joe Damato jdamato@fastly.com Signed-off-by: Guenter Roeck linux@roeck-us.net --- tools/testing/selftests/net/lib/ksft.h | 6 ++++-- 1 file 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..b3d3f7e28e98 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))) + ; 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))) + ; if (fd != STDIN_FILENO) close(fd); }