tty: vt: sanitize consw::con_putcs() parameters
authorJiri Slaby (SUSE) <jirislaby@kernel.org>
Mon, 22 Jan 2024 11:03:40 +0000 (12:03 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 28 Jan 2024 02:08:54 +0000 (18:08 -0800)
commitbfd7de49d7444ce46a48e92ce7cb11266ce79905
treee3038953eb00832fa40da36f1b3723ffc8f2aba1
parent338c28107b51083846afdc5fe8f7830cc8abd893
tty: vt: sanitize consw::con_putcs() parameters

Similar to con_putc() in the previous patch:
* make the pointer to charattr a pointer to u16, and
* make x, y, and count unsigned as they are strictly non-negative.

And again, document that hook.

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Tested-by: Helge Deller <deller@gmx.de> # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-27-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/video/console/dummycon.c
drivers/video/console/mdacon.c
drivers/video/console/newport_con.c
drivers/video/console/sticon.c
drivers/video/console/vgacon.c
drivers/video/fbdev/core/fbcon.c
include/linux/console.h