Fri, 14 Mar 2014 15:32:41 +0100 от Sascha Hauer <[email protected]>:
> We have dev_add_param_enum() now, so use it for the mode_name
> setting. Also drop the special case for single mode framebuffers,
> just add the mode_name parameter for this case aswell.
>
> Signed-off-by: Sascha Hauer <[email protected]>
> ---
...
> +static int fb_setup_mode(struct fb_info *info)
> +{
> + struct device_d *dev = &info->dev;
> + int ret;
...
> - ret = info->fbops->fb_activate_var(info);
> + if (info->fbops->fb_activate_var) {
> + ret = info->fbops->fb_activate_var(info);
> + if (ret)
> + return ret;
> + }
So, "ret" is unitialized without fb_activate_var().
It is wrong since this variable is used in code below.
if (!ret) {
dev->resource[0].start = (resource_size_t)info->screen_base;
info->cdev.size = info->line_length * info->yres;
dev->resource[0].end = dev->resource[0].start + info->cdev.size
- 1;
} else
info->cdev.size = 0;
---
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