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authorJiri Slaby (SUSE) <jirislaby@kernel.org>2024-01-22 12:03:40 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-01-27 18:08:54 -0800
commitbfd7de49d7444ce46a48e92ce7cb11266ce79905 (patch)
treee3038953eb00832fa40da36f1b3723ffc8f2aba1 /drivers/video/console/newport_con.c
parent338c28107b51083846afdc5fe8f7830cc8abd893 (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.c9
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;