crypto: ccp - Replace dma_pool_alloc + memset with dma_pool_zalloc
authorChuhong Yuan <hslester96@gmail.com>
Thu, 18 Jul 2019 13:16:09 +0000 (21:16 +0800)
committerHerbert Xu <herbert@gondor.apana.org.au>
Sat, 27 Jul 2019 11:08:33 +0000 (21:08 +1000)
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>
drivers/crypto/ccp/ccp-ops.c

index acf4f653f25be1c060ea847018cf029566b10b94..42d16757413152f14b072902a3167562dc6bfe4b 100644 (file)
@@ -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)