From: Li Zefan <lizf@cn.fujitsu.com>
Date: Wed, 14 Nov 2007 10:31:05 +0000 (+0100)
Subject: HID: fix a potential bug in pointer casting
X-Git-Tag: v2.6.25-rc1~1170^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3ba5619f06300cd0944150901ed20de87483ad8c;p=pandora-kernel.git

HID: fix a potential bug in pointer casting

Don't directly cast list_head * to foo *, this works only when list
is the first member of struct foo, and we should not make the assumption
how members are ordered in the structure.

i.e. struct *f = (struct *f)pos will work if:
	struct foo {
		struct list_head list;
		int i;
	};

but will fail if:
	struct foo {
		int i;
		struct list_head list;
	}

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---

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