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LoongArch: No need to flush icache if text copy failed

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

Cc: stable@vger.kernel.org
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
This commit is contained in:
Tiezhu Yang
2026-03-16 10:36:01 +08:00
committed by Huacai Chen
parent 431ce839da
commit d3b8491961
1 changed files with 4 additions and 2 deletions
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6
arch/loongarch/kernel/inst.c
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@@ -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)