From: Octavian Purdila <octavian.purdila@intel.com>
Date: Tue, 18 Nov 2014 12:57:59 +0000 (+0200)
Subject: mfd: dln2: Add a limit check for invalid echo
X-Git-Tag: omap-for-v3.19/fixes-for-merge-window~27^2~37^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=00ee7a37fdc3ed9bc6315f8af0270f2df55437d7;p=pandora-kernel.git

mfd: dln2: Add a limit check for invalid echo

The echo field in dln2_transfer_complete comes directly from an USB
transfer and we should not trust it is valid.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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