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
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https://patchwork.kernel.org/patch/9870227/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches