i810: fix kernel crash fix when struct fb_var_screeninfo is supplied

[safe/jmp/linux-2.6] / drivers / video / i810 / i810_main.c

diff --git a/drivers/video/i810/i810_main.c b/drivers/video/i810/i810_main.c
index a24e680..2e94019 100644 (file)
--- a/drivers/video/i810/i810_main.c
+++ b/drivers/video/i810/i810_main.c
@@ -993,6 +993,7 @@ static int i810_check_params(struct fb_var_screeninfo *var,
        struct i810fb_par *par = info->par;
        int line_length, vidmem, mode_valid = 0, retval = 0;
        u32 vyres = var->yres_virtual, vxres = var->xres_virtual;
+
        /*
         *  Memory limit
         */
@@ -1002,12 +1003,12 @@ static int i810_check_params(struct fb_var_screeninfo *var,
        if (vidmem > par->fb.size) {
                vyres = par->fb.size/line_length;
                if (vyres < var->yres) {
-                       vyres = yres;
+                       vyres = info->var.yres;
                        vxres = par->fb.size/vyres;
                        vxres /= var->bits_per_pixel >> 3;
                        line_length = get_line_length(par, vxres, 
                                                      var->bits_per_pixel);
-                       vidmem = line_length * yres;
+                       vidmem = line_length * info->var.yres;
                        if (vxres < var->xres) {
                                printk("i810fb: required video memory, "
                                       "%d bytes, for %dx%d-%d (virtual) "