From: Zhengchao Shao shaozhengchao@huawei.com
[ Upstream commit 98dfa9343f37bdd4112966292751e3a93aaf2e56 ]
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: c8b4b477079d ("crypto: hisilicon - add HiSilicon HPRE accelerator") Signed-off-by: Zhengchao Shao shaozhengchao@huawei.com Signed-off-by: Herbert Xu herbert@gondor.apana.org.au Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/crypto/hisilicon/hpre/hpre_crypto.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/crypto/hisilicon/hpre/hpre_crypto.c b/drivers/crypto/hisilicon/hpre/hpre_crypto.c index 97d54c1465c2..3ba6f15deafc 100644 --- a/drivers/crypto/hisilicon/hpre/hpre_crypto.c +++ b/drivers/crypto/hisilicon/hpre/hpre_crypto.c @@ -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;