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Groups > linux.kernel > #1403760 > unrolled thread

[PATCH] ps3_gelic: 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] ps3_gelic: use kmemdup Muhammad Falak R Wani <falakreyaz@gmail.com> - 2016-05-19 16:00 +0200
    Re: [PATCH] ps3_gelic: use kmemdup David Miller <davem@davemloft.net> - 2016-05-21 02:00 +0200

#1403760 — [PATCH] ps3_gelic: use kmemdup

FromMuhammad Falak R Wani <falakreyaz@gmail.com>
Date2016-05-19 16:00 +0200
Subject[PATCH] ps3_gelic: use kmemdup
Message-ID<rAwEx-vI-11@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/toshiba/ps3_gelic_wireless.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c
index 743b182..446ea58 100644
--- a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c
+++ b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c
@@ -1616,13 +1616,13 @@ static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl)
 		target->valid = 1;
 		target->eurus_index = i;
 		kfree(target->hwinfo);
-		target->hwinfo = kzalloc(be16_to_cpu(scan_info->size),
+		target->hwinfo = kmemdup(scan_info,
+					 be16_to_cpu(scan_info->size),
 					 GFP_KERNEL);
 		if (!target->hwinfo)
 			continue;
 
 		/* copy hw scan info */
-		memcpy(target->hwinfo, scan_info, be16_to_cpu(scan_info->size));
 		target->essid_len = strnlen(scan_info->essid,
 					    sizeof(scan_info->essid));
 		target->rate_len = 0;
-- 
1.9.1

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#1404775

FromDavid Miller <davem@davemloft.net>
Date2016-05-21 02:00 +0200
Message-ID<rB2uJ-4fX-9@gated-at.bofh.it>
In reply to#1403760
From: Muhammad Falak R Wani <falakreyaz@gmail.com>
Date: Thu, 19 May 2016 19:24:41 +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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