crypto: ccp - Replace dma_pool_alloc + memset with dma_pool_zalloc (bfb5eb08) · Commits · 戴 / test

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:

drivers/crypto/ccp/ccp-ops.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -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)