From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Mon, 27 Jul 2020 13:51:51 +0000 (+0200)
Subject: media: bt8xx: avoid a useless memset
X-Git-Tag: v5.11-rc1~203^2~203
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c79464f30e18dd02a66333d60c437c1fa98ee28f;p=thirdparty%2Fkernel%2Flinux.git

media: bt8xx: avoid a useless memset

Avoid a memset after a call to 'dma_alloc_coherent()'.
This is useless since
commit 518a2f1925c3 ("dma-mapping: zero memory returned from dma_alloc_*")

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---

diff --git a/drivers/media/pci/bt8xx/btcx-risc.c b/drivers/media/pci/bt8xx/btcx-risc.c
index 13bb1490a5683..b3179038b900d 100644
--- a/drivers/media/pci/bt8xx/btcx-risc.c
+++ b/drivers/media/pci/bt8xx/btcx-risc.c
@@ -73,7 +73,6 @@ int btcx_riscmem_alloc(struct pci_dev *pci,
 		dprintk("btcx: riscmem alloc [%d] dma=%lx cpu=%p size=%d\n",
 			memcnt, (unsigned long)dma, cpu, size);
 	}
-	memset(risc->cpu,0,risc->size);
 	return 0;
 }