From: Ignacy Gawędzki <ignacy.gawedzki@green-communications.fr>
Date: Fri, 13 Feb 2015 22:47:05 +0000 (-0800)
Subject: gen_stats.c: Duplicate xstats buffer for later use
X-Git-Tag: omap-for-v4.1/wl12xx-dt~68^2~87
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1c4cff0cf55011792125b6041bc4e9713e46240f;p=pandora-kernel.git

gen_stats.c: Duplicate xstats buffer for later use

The gnet_stats_copy_app() function gets called, more often than not, with its
second argument a pointer to an automatic variable in the caller's stack.
Therefore, to avoid copying garbage afterwards when calling
gnet_stats_finish_copy(), this data is better copied to a dynamically allocated
memory that gets freed after use.

[xiyou.wangcong@gmail.com: remove a useless kfree()]

Signed-off-by: Ignacy Gawędzki <ignacy.gawedzki@green-communications.fr>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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