Fix
ntsync.c:1286:20: warning: call to undeclared function 'gettid'; ISO C99 and later do not support implicit function declarations 1286 | wait_args.owner = gettid(); | ^ ntsync.c:1280:8: warning: unused variable 'index' 1280 | __u32 index, count, i; | ^~~~~ ntsync.c:1281:6: warning: unused variable 'ret' 1281 | int ret;
by adding the missing include file and removing the unused variables.
Fixes: a22860e57b54 ("selftests: ntsync: Add a stress test for contended waits.") Cc: Elizabeth Figura zfigura@codeweavers.com Signed-off-by: Guenter Roeck linux@roeck-us.net --- v2: Update subject and description to reflect that the patch fixes build warnings
tools/testing/selftests/drivers/ntsync/ntsync.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/drivers/ntsync/ntsync.c b/tools/testing/selftests/drivers/ntsync/ntsync.c index 3aad311574c4..d3df94047e4d 100644 --- a/tools/testing/selftests/drivers/ntsync/ntsync.c +++ b/tools/testing/selftests/drivers/ntsync/ntsync.c @@ -11,6 +11,7 @@ #include <fcntl.h> #include <time.h> #include <pthread.h> +#include <unistd.h> #include <linux/ntsync.h> #include "../../kselftest_harness.h"
@@ -1277,8 +1278,7 @@ static int stress_device, stress_start_event, stress_mutex; static void *stress_thread(void *arg) { struct ntsync_wait_args wait_args = {0}; - __u32 index, count, i; - int ret; + __u32 count, i;
wait_args.timeout = UINT64_MAX; wait_args.count = 1;