Re: [PATCH] rtlwifi: btcoex: Use proper enumerated types for Wi-Fi only interface

From: Nathan Chancellor
Date: Sun Sep 23 2018 - 02:43:55 EST


On Fri, Sep 21, 2018 at 03:08:24PM -0700, Nathan Chancellor wrote:
> Clang warns when one enumerated type is implicitly converted to another.
>
> drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c:1327:34:
> warning: implicit conversion from enumeration type 'enum
> btc_chip_interface' to different enumeration type 'enum
> wifionly_chip_interface' [-Wenum-conversion]
> wifionly_cfg->chip_interface = BTC_INTF_PCI;
> ~ ^~~~~~~~~~~~
> drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c:1330:34:
> warning: implicit conversion from enumeration type 'enum
> btc_chip_interface' to different enumeration type 'enum
> wifionly_chip_interface' [-Wenum-conversion]
> wifionly_cfg->chip_interface = BTC_INTF_USB;
> ~ ^~~~~~~~~~~~
> drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c:1333:34:
> warning: implicit conversion from enumeration type 'enum
> btc_chip_interface' to different enumeration type 'enum
> wifionly_chip_interface' [-Wenum-conversion]
> wifionly_cfg->chip_interface = BTC_INTF_UNKNOWN;
> ~ ^~~~~~~~~~~~~~~~
> 3 warnings generated.
>
> Use the values from the correct enumerated type, wifionly_chip_interface.
>
> BTC_INTF_UNKNOWN = WIFIONLY_INTF_UNKNOWN = 0
> BTC_INTF_PCI = WIFIONLY_INTF_PCI = 0
> BTC_INTF_USB = WIFIONLY_INTF_USB = 0
>

I have sent a v2 making these values correct.

I will make sure the '--in-reply-to' option in the future.

Nathan

> Link: https://github.com/ClangBuiltLinux/linux/issues/135
> Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
> ---
> .../net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
> index b026e80940a4..6fbf8845a2ab 100644
> --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
> +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
> @@ -1324,13 +1324,13 @@ bool exhalbtc_initlize_variables_wifi_only(struct rtl_priv *rtlpriv)
>
> switch (rtlpriv->rtlhal.interface) {
> case INTF_PCI:
> - wifionly_cfg->chip_interface = BTC_INTF_PCI;
> + wifionly_cfg->chip_interface = WIFIONLY_INTF_PCI;
> break;
> case INTF_USB:
> - wifionly_cfg->chip_interface = BTC_INTF_USB;
> + wifionly_cfg->chip_interface = WIFIONLY_INTF_USB;
> break;
> default:
> - wifionly_cfg->chip_interface = BTC_INTF_UNKNOWN;
> + wifionly_cfg->chip_interface = WIFIONLY_INTF_UNKNOWN;
> break;
> }
>
> --
> 2.19.0
>