From: Kees Cook <keescook@chromium.org>
Date: Thu, 18 Sep 2014 18:25:37 +0000 (-0700)
Subject: firmware_class: make sure fw requests contain a name
X-Git-Tag: fixes-for-v3.18-merge-window~13^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=471b095dfe0d693a8d624cbc716d1ee4d74eb437;p=pandora-kernel.git

firmware_class: make sure fw requests contain a name

An empty firmware request name will trigger warnings when building
device names. Make sure this is caught earlier and rejected.

The warning was visible via the test_firmware.ko module interface:

echo -ne "\x00" > /sys/devices/virtual/misc/test_firmware/trigger_request

Reported-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: stable@vger.kernel.org
Tested-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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