crypto: ccp - Replace dma_pool_alloc + memset with dma_pool_zalloc

Use dma_pool_zalloc instead of using dma_pool_alloc to allocate
memory and then zeroing it with memset 0.
This simplifies the code.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Acked-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c
index acf4f65..42d1675 100644 (file)
--- a/drivers/crypto/ccp/ccp-ops.c
+++ b/drivers/crypto/ccp/ccp-ops.c
@@ -150,14 +150,13 @@ static int ccp_init_dm_workarea(struct ccp_dm_workarea *wa,
        if (len <= CCP_DMAPOOL_MAX_SIZE) {
                wa->dma_pool = cmd_q->dma_pool;
 
-               wa->address = dma_pool_alloc(wa->dma_pool, GFP_KERNEL,
+               wa->address = dma_pool_zalloc(wa->dma_pool, GFP_KERNEL,
                                             &wa->dma.address);
                if (!wa->address)
                        return -ENOMEM;
 
                wa->dma.length = CCP_DMAPOOL_MAX_SIZE;
 
-               memset(wa->address, 0, CCP_DMAPOOL_MAX_SIZE);
        } else {
                wa->address = kzalloc(len, GFP_KERNEL);
                if (!wa->address)