sched_getaffinity(): fix error code for special invalid input

2016-11-28 05:50:01 +09:00
parent 5a1ce99d87
commit a1cf27e232
1 changed files with 1 additions and 1 deletions
--- a/kernel/syscall.c
+++ b/kernel/syscall.c
@ -5856,7 +5856,7 @@ SYSCALL_DECLARE(sched_getaffinity)
 	int ret;

 	dkprintf("%s() len: %d, mask: %p\n", __FUNCTION__, len, u_cpu_set);
-	if (!len)
+	if (!len || u_cpu_set == (cpu_set_t *)-1)
 		return -EINVAL;

 	if ((len * BITS_PER_BYTE) < __CPU_SETSIZE)