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[PATCH] net:liquidio: use kmemdup

Started byMuhammad Falak R Wani <falakreyaz@gmail.com>
First post2016-05-19 16:00 +0200
Last post2016-05-21 02:00 +0200
Articles 2 — 2 participants

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  [PATCH] net:liquidio: use kmemdup Muhammad Falak R Wani <falakreyaz@gmail.com> - 2016-05-19 16:00 +0200
    Re: [PATCH] net:liquidio: use kmemdup David Miller <davem@davemloft.net> - 2016-05-21 02:00 +0200

#1403756 — [PATCH] net:liquidio: use kmemdup

FromMuhammad Falak R Wani <falakreyaz@gmail.com>
Date2016-05-19 16:00 +0200
Subject[PATCH] net:liquidio: use kmemdup
Message-ID<rAwEx-vI-5@gated-at.bofh.it>
Use kmemdup when some other buffer is immediately copied into allocated
region. It replaces call to allocation followed by memcpy, by a single
call to kmemdup.

Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
---
 drivers/net/ethernet/cavium/liquidio/octeon_device.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_device.c b/drivers/net/ethernet/cavium/liquidio/octeon_device.c
index f67641a..8e23e3f 100644
--- a/drivers/net/ethernet/cavium/liquidio/octeon_device.c
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_device.c
@@ -602,12 +602,10 @@ int octeon_download_firmware(struct octeon_device *oct, const u8 *data,
 	snprintf(oct->fw_info.liquidio_firmware_version, 32, "LIQUIDIO: %s",
 		 h->version);
 
-	buffer = kmalloc(size, GFP_KERNEL);
+	buffer = kmemdup(data, size, GFP_KERNEL);
 	if (!buffer)
 		return -ENOMEM;
 
-	memcpy(buffer, data, size);
-
 	p = buffer + sizeof(struct octeon_firmware_file_header);
 
 	/* load all images */
-- 
1.9.1

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#1404773

FromDavid Miller <davem@davemloft.net>
Date2016-05-21 02:00 +0200
Message-ID<rB2uJ-4fX-1@gated-at.bofh.it>
In reply to#1403756
From: Muhammad Falak R Wani <falakreyaz@gmail.com>
Date: Thu, 19 May 2016 19:22:49 +0530

> Use kmemdup when some other buffer is immediately copied into allocated
> region. It replaces call to allocation followed by memcpy, by a single
> call to kmemdup.
> 
> Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>

Applied.

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