dmaengine: idxd: No need to clear memory after a dma_alloc_coherent() call
authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Sun, 28 May 2023 14:11:54 +0000 (16:11 +0200)
committerVinod Koul <vkoul@kernel.org>
Wed, 12 Jul 2023 16:54:01 +0000 (22:24 +0530)
dma_alloc_coherent() already clear the allocated memory, there is no need
to explicitly call memset().

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Fenghua Yu <fenghua.yu@intel.com>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/f44be04317387f8936d31d5470963541615f30ef.1685283065.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Vinod Koul <vkoul@kernel.org>
drivers/dma/idxd/device.c

index 5abbcc6..7c74bc6 100644 (file)
@@ -786,8 +786,6 @@ static int idxd_device_evl_setup(struct idxd_device *idxd)
                goto err_alloc;
        }
 
-       memset(addr, 0, size);
-
        spin_lock(&evl->lock);
        evl->log = addr;
        evl->dma = dma_addr;