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fbcon: when font is freed, clear also vc_font.data

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commit ae1287865f
Author: Dave Airlie <airlied@redhat.com>
Date:   Thu Jan 24 16:12:41 2013 +1000

    fbcon: don't lose the console font across generic->chip driver switch

uses a pointer in vc->vc_font.data to load font into the new driver.
However if the font is actually freed, we need to clear the data
so that we don't reload font from dangling pointer.

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=892340
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Mika Kuoppala 2013-04-22 14:19:26 +03:00 committed by Dave Airlie
parent 0a397154e2
commit e6637d5427
1 changed files with 2 additions and 0 deletions
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2
drivers/video/console/fbcon.c
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@ -1228,6 +1228,8 @@ static void fbcon_deinit(struct vc_data *vc)
finished:
fbcon_free_font(p, free_font);
if (free_font)
vc->vc_font.data = NULL;
if (!con_is_bound(&fb_con))
fbcon_exit();