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 /drivers/video/console/newport_con.c | |
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 'drivers/video/console/newport_con.c')
-rw-r--r-- | drivers/video/console/newport_con.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c index 9b5c0118873e..5e65ee0b7c07 100644 --- a/drivers/video/console/newport_con.c +++ b/drivers/video/console/newport_con.c @@ -396,12 +396,13 @@ static void newport_putc(struct vc_data *vc, u16 charattr, unsigned int ypos, RENDER(npregs, p); } -static void newport_putcs(struct vc_data *vc, const unsigned short *s, - int count, int ypos, int xpos) +static void newport_putcs(struct vc_data *vc, const u16 *s, + unsigned int count, unsigned int ypos, + unsigned int xpos) { - int i; - int charattr; unsigned char *p; + unsigned int i; + u16 charattr; charattr = (scr_readw(s) >> 8) & 0xff; |