[PATCH] crypto: ccp - Replace dma_pool_alloc + memset with dma_pool_zalloc

[Chuhong Yuan]

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 <hsleste...@gmail.com>
---
 drivers/crypto/ccp/ccp-ops.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c
index 866b2e05ca77..03797c42b336 100644
--- 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)
-- 
2.20.1