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fork: fpregs: return error code.

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Change-Id: I6ff150a39cd8952adad9b21d0c9f8514126ef957
This commit is contained in:
TOIDA,Suguru
2019-08-20 12:15:45 +09:00
committed by Masamichi Takagi
parent de0e07f29e
commit 58f4593478
5 changed files with 56 additions and 30 deletions
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10
arch/arm64/kernel/fpsimd.c
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@@ -119,17 +119,19 @@ void sve_free(struct thread *thread)
}
}
void sve_alloc(struct thread *thread)
int sve_alloc(struct thread *thread)
{
if (thread->ctx.thread->sve_state) {
return;
return 0;
}
thread->ctx.thread->sve_state =
kmalloc(sve_state_size(thread), IHK_MC_AP_NOWAIT);
BUG_ON(!thread->ctx.thread->sve_state);
if (thread->ctx.thread->sve_state == NULL) {
return -ENOMEM;
}
memset(thread->ctx.thread->sve_state, 0, sve_state_size(thread));
return 0;
}
static int get_nr_threads(struct process *proc)