On Sun, Jul 26, 2020 at 8:26 AM Gaurav Singh <gaurav1086@xxxxxxxxx> wrote:
>
> Function mbxfb_debugfs_remove() accesses fbi->par without NULL check,
> hence do the NULL check in the caller mbxfb_remove().
...
> @@ -1012,11 +1012,10 @@ static int mbxfb_remove(struct platform_device *dev)
>
> write_reg_dly(SYSRST_RST, SYSRST);
>
> - mbxfb_debugfs_remove(fbi);
> -
> if (fbi) {
Can you explain how this is NULL on ->remove()?
I bet this check is simply redundant. But you have to check and update
commit message accordingly.
> struct mbxfb_info *mfbi = fbi->par;
>
> + mbxfb_debugfs_remove(fbi);
> unregister_framebuffer(fbi);
> if (mfbi) {
> if (mfbi->platform_remove)
--
With Best Regards,
Andy Shevchenko
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