From: Imre Deak <imre.deak@intel.com>
Date: Thu, 2 Oct 2014 13:34:31 +0000 (+0300)
Subject: tty/vt: don't set font mappings on vc not supporting this
X-Git-Tag: v3.2.65~48
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2e0f55eaf9b604eb3ae84802b668003ecd7946bc;p=pandora-kernel.git

tty/vt: don't set font mappings on vc not supporting this

commit 9e326f78713a4421fe11afc2ddeac07698fac131 upstream.

We can call this function for a dummy console that doesn't support
setting the font mapping, which will result in a null ptr BUG. So check
for this case and return error for consoles w/o font mapping support.

Reference: https://bugzilla.kernel.org/show_bug.cgi?id=59321
Signed-off-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[bwh: Backported to 3.2: this function doesn't take a lock, so doesn't
 need to unlock on error]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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