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sched_getaffinity(): return EINVAL for 0 lenght request (fixes LTP sched_getaffinity01)

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Balazs Gerofi
2015-07-10 11:00:43 +09:00
parent 7647c99cc2
commit f7d78c8b7d
1 changed files with 3 additions and 0 deletions
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3
kernel/syscall.c
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@@ -4832,6 +4832,9 @@ SYSCALL_DECLARE(sched_getaffinity)
unsigned long irqstate; unsigned long irqstate;
extern int num_processors; extern int num_processors;
if (!len)
return -EINVAL;
len = MIN2(len, sizeof(k_cpu_set)); len = MIN2(len, sizeof(k_cpu_set));
if(tid == 0) if(tid == 0)