From: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Date: Sat, 16 Jun 2012 04:40:55 +0000 (+0800)
Subject: printk: return -EINVAL if the message len is bigger than the buf size
X-Git-Tag: v3.5-rc4~17^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b56a39ac263e5b8cafedd551a49c2105e68b98c2;p=pandora-kernel.git

printk: return -EINVAL if the message len is bigger than the buf size

Just like what devkmsg_read() does, return -EINVAL if the message len is
bigger than the buf size, or it will trigger a segfault error.

Acked-by: Kay Sievers <kay@vrfy.org>
Acked-by: Fengguang Wu <wfg@linux.intel.com>
Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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