From: Fuqian Huang <huangfq.daxian@gmail.com>
Date: Thu, 27 Jun 2019 17:35:16 +0000 (+0800)
Subject: block: skd_main.c: Remove call to memset after dma_alloc_coherent
X-Git-Tag: v5.3-rc1~164^2~19
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=5f2ab0c1c896764ef3b2d01d9e40d138c2bfd791;p=linux.git

block: skd_main.c: Remove call to memset after dma_alloc_coherent

In commit af7ddd8a627c
("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"),
dma_alloc_coherent has already zeroed the memory.
So memset is not needed.

Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c
index 7d3ad6c22ee5..abeae7616f04 100644
--- a/drivers/block/skd_main.c
+++ b/drivers/block/skd_main.c
@@ -2696,7 +2696,6 @@ static int skd_cons_skmsg(struct skd_device *skdev)
 		     (FIT_QCMD_ALIGN - 1),
 		     "not aligned: msg_buf %p mb_dma_address %pad\n",
 		     skmsg->msg_buf, &skmsg->mb_dma_address);
-		memset(skmsg->msg_buf, 0, SKD_N_FITMSG_BYTES);
 	}
 
 err_out: