linux-kernel - [PATCH v3 02/24] atm: idt77252: Remove call to memset after dma_alloc

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Message-Id: <20190715031709.6281-1-huangfq.daxian@gmail.com>
Date:   Mon, 15 Jul 2019 11:17:09 +0800
From:   Fuqian Huang <huangfq.daxian@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Chas Williams <3chas3@...il.com>,
        linux-atm-general@...ts.sourceforge.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Fuqian Huang <huangfq.daxian@...il.com>
Subject: [PATCH v3 02/24] atm: idt77252: Remove call to memset after dma_alloc_coherent

In commit 518a2f1925c3
("dma-mapping: zero memory returned from dma_alloc_*"),
dma_alloc_coherent has already zeroed the memory.
So memset is not needed.

Signed-off-by: Fuqian Huang <huangfq.daxian@...il.com>
---
Changes in v3:
  - Use actual commit rather than the merge commit in the commit message

 drivers/atm/idt77252.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
index 43a14579e80e..df51680e8931 100644
--- a/drivers/atm/idt77252.c
+++ b/drivers/atm/idt77252.c
@@ -1379,7 +1379,6 @@ init_tsq(struct idt77252_dev *card)
 		printk("%s: can't allocate TSQ.\n", card->name);
 		return -1;
 	}
-	memset(card->tsq.base, 0, TSQSIZE);
 
 	card->tsq.last = card->tsq.base + TSQ_NUM_ENTRIES - 1;
 	card->tsq.next = card->tsq.last;
-- 
2.11.0