From: Samuel Ortiz <sameo@linux.intel.com>
Date: Sat, 4 Jan 2014 02:23:35 +0000 (+0100)
Subject: NFC: pn533: Frame is invalid if ccid.datalen is 0
X-Git-Tag: v3.14-rc1~94^2~113^2^2~38^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ea87a5efa9efa84cd48fbf7a969d951b32c9e5e4;p=pandora-kernel.git

NFC: pn533: Frame is invalid if ccid.datalen is 0

Some ACR122 firmwares seem to send 0 length data frames. Before using
that length as a data index, we check that it's not 0. If it is we
report the frame as being invalid.

Reported-by: Arthur Taylor <arthur@advancedtelematic.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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