crypto: amcc - remove memset after dma_alloc_coherent

In commit af7ddd8a627c
("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"),
dma_alloc_coherent has already zeroed the memory.
So memset is not needed.

Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c
index 45f65d638caf8160b9f5ad9822fad8c5467fe229..50fa2683b8a11c2e3813180a7daefe13049c8323 100644 (file)
--- a/drivers/crypto/amcc/crypto4xx_core.c
+++ b/drivers/crypto/amcc/crypto4xx_core.c
@@ -191,7 +191,6 @@ static u32 crypto4xx_build_pdr(struct crypto4xx_device *dev)
                                  dev->pdr_pa);
                return -ENOMEM;
        }
-       memset(dev->pdr, 0, sizeof(struct ce_pd) * PPC4XX_NUM_PD);
        dev->shadow_sa_pool = dma_alloc_coherent(dev->core_dev->device,
                                   sizeof(union shadow_sa_buf) * PPC4XX_NUM_PD,
                                   &dev->shadow_sa_pool_pa,