linux-kernel - [PATCH] staging/media/go7007: Use kmemdup rather than duplicating its implementation

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Message-Id: <1359156210-4482-1-git-send-email-peterhuewe@gmx.de>
Date:	Sat, 26 Jan 2013 00:23:30 +0100
From:	Peter Huewe <peterhuewe@....de>
To:	Mauro Carvalho Chehab <mchehab@...hat.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Volokh Konstantin <volokh84@...il.com>,
	Peter Huewe <peterhuewe@....de>,
	David Howells <dhowells@...hat.com>,
	linux-media@...r.kernel.org, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] staging/media/go7007: Use kmemdup rather than duplicating its implementation

Found with coccicheck.
The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.

Signed-off-by: Peter Huewe <peterhuewe@....de>
---
 drivers/staging/media/go7007/go7007-driver.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/media/go7007/go7007-driver.c b/drivers/staging/media/go7007/go7007-driver.c
index ece2dd1..0e299f0 100644
--- a/drivers/staging/media/go7007/go7007-driver.c
+++ b/drivers/staging/media/go7007/go7007-driver.c
@@ -108,14 +108,13 @@ static int go7007_load_encoder(struct go7007 *go)
 		return -1;
 	}
 	fw_len = fw_entry->size - 16;
-	bounce = kmalloc(fw_len, GFP_KERNEL);
+	bounce = kmemdup(fw_entry->data + 16, fw_len, GFP_KERNEL);
 	if (bounce == NULL) {
 		v4l2_err(go, "unable to allocate %d bytes for "
 				"firmware transfer\n", fw_len);
 		release_firmware(fw_entry);
 		return -1;
 	}
-	memcpy(bounce, fw_entry->data + 16, fw_len);
 	release_firmware(fw_entry);
 	if (go7007_interface_reset(go) < 0 ||
 			go7007_send_firmware(go, bounce, fw_len) < 0 ||
-- 
1.7.8.6

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