RE: [PATCH] wifi: rtlwifi: pci: fix error path in rtl_pci_probe()

[Ping-Ke Shih <pkshih@realtek.com>]

Abdun Nihaal <nihaal@cse.iitm.ac.in> wrote:
> In the last error path in rtl_pci_probe(), the cleanup functions are
> skipped due to a wrong goto label. Moreover, the successful call to
> rtl_init_rfkill() and ieee80211_register_hw() have to be reverted.
> Fix this issue by updating the labels and adding the relevant cleanup
> functions to the last error path.
> 
> Fixes: 0c8173385e54 ("rtl8192ce: Add new driver")
> Signed-off-by: Abdun Nihaal <nihaal@cse.iitm.ac.in>
> ---
> Compile tested only. Issue found using static analysis.
> 
>  drivers/net/wireless/realtek/rtlwifi/pci.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c
> b/drivers/net/wireless/realtek/rtlwifi/pci.c
> index 73018a0498b4..98365176a901 100644
> --- a/drivers/net/wireless/realtek/rtlwifi/pci.c
> +++ b/drivers/net/wireless/realtek/rtlwifi/pci.c
> @@ -2227,13 +2227,16 @@ int rtl_pci_probe(struct pci_dev *pdev,
>                 rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG,
>                         "%s: failed to register IRQ handler\n",
>                         wiphy_name(hw->wiphy));
> -               goto fail3;
> +               goto fail6;
>         }
>         rtlpci->irq_alloc = 1;
> 
>         set_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status);
>         return 0;
> 
> +fail6:
> +       rtl_deinit_rfkill(hw);

rtl_debug_remove_one(hw) ?

> +       ieee80211_unregister_hw(hw);
>  fail5:
>         rtl_pci_deinit(hw);
>  fail4:
> --
> 2.43.0