Commit 98dfa934 authored by Zhengchao Shao's avatar Zhengchao Shao Committed by Herbert Xu
Browse files

crypto: hisilicon/hpre - don't use GFP_KERNEL to alloc mem during softirq 



The hpre encryption driver may be used to encrypt and decrypt packets
during the rx softirq, it is not allowed to use GFP_KERNEL.

Fixes: c8b4b477 ("crypto: hisilicon - add HiSilicon HPRE accelerator")
Signed-off-by: default avatarZhengchao Shao <shaozhengchao@huawei.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 9d2bb9a7

drivers/crypto/hisilicon/hpre/hpre_crypto.c

+1 −1
Original line number Diff line number Diff line
@@ -252,7 +252,7 @@ static int hpre_prepare_dma_buf(struct hpre_asym_request *hpre_req, 
	if (unlikely(shift < 0))

		return -EINVAL;



	ptr = dma_alloc_coherent(dev, ctx->key_sz, tmp, GFP_KERNEL);

	ptr = dma_alloc_coherent(dev, ctx->key_sz, tmp, GFP_ATOMIC);

	if (unlikely(!ptr))

		return -ENOMEM;