Re: [PATCH v2] fbdev: platinumfb: add error checking for ioremap calls

[Helge Deller <deller@gmx.de>]

On 8/17/26 08:39, yuebingkun wrote:
> 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.
> 
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")

That Fixes line ^^^ has no value, so I dropped it.

> Signed-off-by: yuebingkun <yuebingkun@kylinos.cn>

Would be nice to have your Name written out here, e.g. Yue Bing Kun (or something),
but I've left it as-is for now. In case you resend with full name, I can replace it
in the git tree.

>   drivers/video/fbdev/platinumfb.c | 36 ++++++++++++++++++++++++++------
>   1 file changed, 30 insertions(+), 6 deletions(-)
Patch applied (with the Fixes line dropped).

Thanks!
Helge