crypto: Use zeroing memory allocator instead of allocator/memset

Use dma_zalloc_coherent for allocating zeroed
memory and remove unnecessary memset function.

Done using Coccinelle.
Generated-by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci
0-day tested with no failures.

Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 3 insertions, 5 deletions

diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c
index ad19aa806931..76f459ad2821 100644
--- a/drivers/crypto/amcc/crypto4xx_core.c
+++ b/drivers/crypto/amcc/crypto4xx_core.c
@@ -282,14 +282,12 @@ static u32 crypto4xx_put_pd_to_pdr(struct crypto4xx_device *dev, u32 idx)
  */
 static u32 crypto4xx_build_gdr(struct crypto4xx_device *dev)
 {
-        dev->gdr = dma_alloc_coherent(dev->core_dev->device,
-                                      sizeof(struct ce_gd) * PPC4XX_NUM_GD,
-                                      &dev->gdr_pa, GFP_ATOMIC);
+        dev->gdr = dma_zalloc_coherent(dev->core_dev->device,
+                                       sizeof(struct ce_gd) * PPC4XX_NUM_GD,
+                                       &dev->gdr_pa, GFP_ATOMIC);
         if (!dev->gdr)
                 return -ENOMEM;
 
-        memset(dev->gdr, 0, sizeof(struct ce_gd) * PPC4XX_NUM_GD);
-
         return 0;
 }