Re: [PATCH v3] fbdev: platinumfb: add error checking for ioremap calls

Helge Deller <[email protected]>
Newsgroups org.kernel.vger.linux-fbdev,org.freedesktop.lists.dri-devel,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
On 8/20/26 08:00, Yue Bing Kun wrote:
> From: BingKun Yue <[email protected]>

You are using various combinations of your name:
- BingKun Yue (as signed-off address)
- Yue Bing Kun (in plain email)
Maybe you should decide on one?

> The ioremap() and ioremap_wt() calls in platinumfb_probe() were not
> checked for failure. If any of these mappings fail, the driver would
> dereference NULL pointers, leading to a kernel panic.
> 
> Add proper error checking and use goto-based cleanup to avoid code
> duplication across the error paths.

This commit message has nothing to do with this patch.
  
> Reported-by: Nathan Chancellor <[email protected]>
> Link: https://lore.kernel.org/linux-fbdev/20260819235918.GA2021182@ax162/
> Signed-off-by: BingKun Yue <[email protected]>
> ---
>   drivers/video/fbdev/platinumfb.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/video/fbdev/platinumfb.c b/drivers/video/fbdev/platinumfb.c
> index fdffadcc3e73..f74c937c839f 100644
> --- a/drivers/video/fbdev/platinumfb.c
> +++ b/drivers/video/fbdev/platinumfb.c
> @@ -320,7 +320,7 @@ static void platinum_init_info(struct fb_info *info,
>   	fb_alloc_cmap(&info->cmap, 256, 0);
>   
>   	/* Fill fix common fields */
> -	strscpy(info->fix.id, "platinum", sizeof(info->fix.id));
> +	strcpy(info->fix.id, "platinum");

And this one is a) reversed and b) useless & contraproductive (I will not take it).

Helge
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.