Messages in this thread Patch in this message | | | Date | Fri, 5 Jan 2018 16:42:58 -0500 (EST) | From | Nicolas Pitre <> | Subject | [PATCH] 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@kernel.org
diff --git a/drivers/video/console/dummycon.c b/drivers/video/console/dummycon.c index 9269d56852..b90ef96e43 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, };
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