console/dummy: leave .con_font_get set to NULL
authorNicolas Pitre <nicolas.pitre@linaro.org>
Mon, 15 Jan 2018 16:04:22 +0000 (17:04 +0100)
committerBen Hutchings <ben@decadent.org.uk>
Thu, 31 May 2018 23:30:08 +0000 (00:30 +0100)
commitc7411569cbc87bad53d9811166a49eaaa3b71cc3
treec44f35bea9024838dfe9d2aaef6f7041fb2ec586
parent2aa8dcc6c0fed640aac249e2edac2013b797cc1c
console/dummy: leave .con_font_get set to NULL

commit 724ba8b30b044aa0d94b1cd374fc15806cdd6f18 upstream.

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>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/video/console/dummycon.c