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authorNicolas Pitre <nicolas.pitre@linaro.org>2018-01-15 17:04:22 +0100
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2018-01-15 17:04:22 +0100
commit724ba8b30b044aa0d94b1cd374fc15806cdd6f18 (patch)
treec372d5f7df497f02aa52245ce5beef9f5c61f1ba /drivers/video
parent91ae3396ed48940b8f87c01260d9af734c67a5fd (diff)
downloadlinux-724ba8b30b044aa0d94b1cd374fc15806cdd6f18.tar.bz2
console/dummy: leave .con_font_get set to NULL
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>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/console/dummycon.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/video/console/dummycon.c b/drivers/video/console/dummycon.c
index 9269d5685239..b90ef96e43d6 100644
--- a/drivers/video/console/dummycon.c
+++ b/drivers/video/console/dummycon.c
@@ -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,
};