Commit d3b84919 authored by Tiezhu Yang's avatar Tiezhu Yang Committed by Huacai Chen
Browse files

LoongArch: No need to flush icache if text copy failed 



If copy_to_kernel_nofault() failed, no need to flush icache and just
return immediately.

Cc: stable@vger.kernel.org
Signed-off-by: default avatarTiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
parent 431ce839

arch/loongarch/kernel/inst.c

+4 −2
Original line number Diff line number Diff line
@@ -246,13 +246,15 @@ static int text_copy_cb(void *data) 


	if (smp_processor_id() == copy->cpu) {

		ret = copy_to_kernel_nofault(copy->dst, copy->src, copy->len);

		if (ret)

		if (ret) {

			pr_err("%s: operation failed\n", __func__);

			return ret;

		}

	}



	flush_icache_range((unsigned long)copy->dst, (unsigned long)copy->dst + copy->len);



	return ret;

	return 0;

}



int larch_insn_text_copy(void *dst, void *src, size_t len)