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console/dummy: leave .con_font_get set to NULL

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When this method is set, the caller expects struct console_font fields
to be properly initialized when it returns. Leave it unset otherwise
nonsensical (leaked kernel stack) values are returned to user space.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@vger.kernel.org
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
This commit is contained in:
Nicolas Pitre 2018-01-15 17:04:22 +01:00 committed by Bartlomiej Zolnierkiewicz
parent 91ae3396ed
commit 724ba8b30b
1 changed files with 0 additions and 1 deletions
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drivers/video/console/dummycon.c
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@ -67,7 +67,6 @@ const struct consw dummy_con = {
.con_switch = DUMMY,
.con_blank = DUMMY,
.con_font_set = DUMMY,
.con_font_get = DUMMY,
.con_font_default = DUMMY,
.con_font_copy = DUMMY,
};