viafbdev.c utilizes memdup_user() to copy an array from userspace.
There is a new wrapper, specifically designed for copying arrays. Use
this one instead.
Suggested-by: Dave Airlie <airl...@redhat.com>
Signed-off-by: Philipp Stanner <pstan...@redhat.com>
---
drivers/video/fbdev/via/viafbdev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/fbdev/via/viafbdev.c
b/drivers/video/fbdev/via/viafbdev.c
index 58868f8880d6..a52b1ba43a48 100644
--- a/drivers/video/fbdev/via/viafbdev.c
+++ b/drivers/video/fbdev/via/viafbdev.c
@@ -574,7 +574,7 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd,
u_long arg)
break;
case VIAFB_SET_GAMMA_LUT:
- viafb_gamma_table = memdup_user(argp, 256 * sizeof(u32));
+ viafb_gamma_table = memdup_array_user(argp, 256, sizeof(u32));
if (IS_ERR(viafb_gamma_table))
return PTR_ERR(viafb_gamma_table);
viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
--
2.41.0
