| Message ID | 20220719042323.260146-1-shaozhengchao@huawei.com |
|---|---|
| State | Accepted |
| Commit | 98dfa9343f37bdd4112966292751e3a93aaf2e56 |
| Headers | show |
| Series | [v2] crypto: hisilicon/hpre - don't use GFP_KERNEL to alloc mem during softirq | expand |
On Tue, Jul 19, 2022 at 12:23:23PM +0800, Zhengchao Shao wrote: > 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> > --- > This patch is not tested, compiled only. > --- > drivers/crypto/hisilicon/hpre/hpre_crypto.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Patch applied. Thanks.
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;
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> --- This patch is not tested, compiled only. --- drivers/crypto/hisilicon/hpre/hpre_crypto.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)