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video: fbdev: amifb: remove impossible condition

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xoffset and yoffset of struct fb_var_screeninfo are unsigned and so
they can never be less than 0.

Cc: Timur Tabi <[email protected]>
Cc: Tomi Valkeinen <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Sachin Shukla <[email protected]>
[b.zolnierkie: split from the bigger patch]
Signed-off-by: Bartlomiej Zolnierkiewicz <[email protected]>
This commit is contained in:
Sachin Shukla 2017-02-08 16:44:00 +01:00 • committed by Bartlomiej Zolnierkiewicz
commit 8018ce3f20
1 changed files with 3 additions and 5 deletions
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8
drivers/video/fbdev/amifb.c
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@ -1484,13 +1484,11 @@ static int ami_decode_var(struct fb_var_screeninfo *var, struct amifb_par *par,
par->xoffset = var->xoffset;
par->yoffset = var->yoffset;
if (par->vmode & FB_VMODE_YWRAP) {
if (par->xoffset || par->yoffset < 0 ||
par->yoffset >= par->vyres)
if (par->yoffset >= par->vyres)
par->xoffset = par->yoffset = 0;
} else {
if (par->xoffset < 0 ||
par->xoffset > upx(16 << maxfmode, par->vxres - par->xres) ||
par->yoffset < 0 || par->yoffset > par->vyres - par->yres)
if (par->xoffset > upx(16 << maxfmode, par->vxres - par->xres) ||
par->yoffset > par->vyres - par->yres)
par->xoffset = par->yoffset = 0;
}
} else