Malcolm Priestley [off-list ref] wrote:

_rtl_pci_find_adapter fail path will jump to label fail3 for
unsupported adapter types.

However, on course for fail3 there will be call rtl_deinit_core
before rtl_init_core.

For the inclusion of checking pci_iounmap this fail can be moved to
fail2.

Fixes
[    4.492963] BUG: unable to handle kernel NULL pointer dereference at           (null)
[    4.493067] IP: rtl_deinit_core+0x31/0x90 [rtlwifi]

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Cc: <redacted>

Patch applied to wireless-drivers-next.git, thanks.

fc81bab5eeb1 rtlwifi: rtl_pci_probe: Fix fail path of _rtl_pci_find_adapter

-- 
https://patchwork.kernel.org/patch/9870227/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches