From: Jes Sorensen <Jes.Sorensen@redhat.com>
Date: Tue, 15 Apr 2014 17:43:20 +0000 (+0200)
Subject: staging: rtl8723au: Fix buffer overflow in rtw_get_wfd_ie()
X-Git-Tag: omap-for-v3.16/pm-signed~80^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f5d197b614d8fbc5c25307e7eff1d663653966fa;p=pandora-kernel.git

staging: rtl8723au: Fix buffer overflow in rtw_get_wfd_ie()

Add bounds checking to not allow WFD Information Elements larger than
128, and make sure we use the correct buffer size MAX_WFD_IE_LEN
instea of hardcoding the size.

This also simplifies rtw_get_wfd_ie() by using the cfg80211
infrastructure.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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