diff options
| author | Jiri Slaby (SUSE) <jirislaby@kernel.org> | 2024-01-22 12:03:40 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-01-27 18:08:54 -0800 |
| commit | bfd7de49d7444ce46a48e92ce7cb11266ce79905 (patch) | |
| tree | e3038953eb00832fa40da36f1b3723ffc8f2aba1 /include/linux/console.h | |
| parent | 338c28107b51083846afdc5fe8f7830cc8abd893 (diff) | |
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>
Diffstat (limited to 'include/linux/console.h')
| -rw-r--r-- | include/linux/console.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/console.h b/include/linux/console.h index 92d57e5b3009..82d55764a66f 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -41,6 +41,7 @@ enum vc_intensity; * @con_clear: erase @count characters at [@x, @y] on @vc. @count >= 1. * @con_putc: emit one character with attributes @ca to [@x, @y] on @vc. * (optional -- @con_putcs would be called instead) + * @con_putcs: emit @count characters with attributes @s to [@x, @y] on @vc. * @con_scroll: move lines from @top to @bottom in direction @dir by @lines. * Return true if no generic handling should be done. * Invoked by csi_M and printing to the console. @@ -57,8 +58,9 @@ struct consw { unsigned int x, unsigned int count); void (*con_putc)(struct vc_data *vc, u16 ca, unsigned int y, unsigned int x); - void (*con_putcs)(struct vc_data *vc, const unsigned short *s, - int count, int ypos, int xpos); + void (*con_putcs)(struct vc_data *vc, const u16 *s, + unsigned int count, unsigned int ypos, + unsigned int xpos); void (*con_cursor)(struct vc_data *vc, int mode); bool (*con_scroll)(struct vc_data *vc, unsigned int top, unsigned int bottom, enum con_scroll dir, |