From 724ba8b30b044aa0d94b1cd374fc15806cdd6f18 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Mon, 15 Jan 2018 17:04:22 +0100 Subject: [PATCH] console/dummy: leave .con_font_get set to NULL Git-commit: 724ba8b30b044aa0d94b1cd374fc15806cdd6f18 Patch-mainline: v4.16-rc1 References: bsc#1051510 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 Cc: stable@vger.kernel.org Signed-off-by: Bartlomiej Zolnierkiewicz Acked-by: Takashi Iwai --- drivers/video/console/dummycon.c | 1 - 1 file changed, 1 deletion(-) --- 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, };