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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>
This commit is contained in:
Chuhong Yuan 2019-07-18 21:16:09 +08:00 committed by Herbert Xu
parent 6ed01097f4
commit bfb5eb084a
1 changed files with 1 additions and 2 deletions
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3
drivers/crypto/ccp/ccp-ops.c
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@ -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)