The patch titled
amifb: test virtual screen range before subtraction on unsigned
has been removed from the -mm tree. Its filename was
amifb-test-virtual-screen-range-before-subtraction-on-unsigned.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: amifb: test virtual screen range before subtraction on unsigned
From: Roel Kluin <12o3l@xxxxxxxxxx>
dx and dy are u32's, so the test should occur before the subtraction
Signed-off-by: Roel Kluin <12o3l@xxxxxxxxxx>
Cc: Antonino Daplas <adaplas@xxxxxxx>
Cc: Krzysztof Helt <krzysztof.h1@xxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/amifb.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff -puN drivers/video/amifb.c~amifb-test-virtual-screen-range-before-subtraction-on-unsigned drivers/video/amifb.c
--- a/drivers/video/amifb.c~amifb-test-virtual-screen-range-before-subtraction-on-unsigned
+++ a/drivers/video/amifb.c
@@ -2048,13 +2048,16 @@ static void amifb_copyarea(struct fb_inf
width = x2 - dx;
height = y2 - dy;
+ if (area->sx + dx < area->dx || area->sy + dy < area->dy)
+ return;
+
/* update sx,sy */
sx = area->sx + (dx - area->dx);
sy = area->sy + (dy - area->dy);
/* the source must be completely inside the virtual screen */
- if (sx < 0 || sy < 0 || (sx + width) > info->var.xres_virtual ||
- (sy + height) > info->var.yres_virtual)
+ if (sx + width > info->var.xres_virtual ||
+ sy + height > info->var.yres_virtual)
return;
if (dy > sy || (dy == sy && dx > sx)) {
_
Patches currently in -mm which might be from 12o3l@xxxxxxxxxx are
origin.patch
asic3-platform_get_irq-may-return-signed-unnoticed.patch
likeliness-accounting-change-and-cleanup.patch
likely_prof-update-to-test_and_set_bit_lock-clear_bit_unlock.patch
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