diff mbox series

[net-next,3/8] wifi: rtlwifi: remove always-true condition pointed out by GCC 12

Message ID 20220520194320.2356236-4-kuba@kernel.org (mailing list archive)
State Awaiting Upstream
Delegated to: Netdev Maintainers
Headers show
Series Fix/silence GCC 12 warnings in drivers/net/wireless/ | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1 this patch: 0
netdev/cc_maintainers warning 3 maintainers not CCed: davem@davemloft.net pabeni@redhat.com edumazet@google.com
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1 this patch: 0
netdev/checkpatch warning CHECK: Alignment should match open parenthesis
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Jakub Kicinski May 20, 2022, 7:43 p.m. UTC
The .value is a two-dim array, not a pointer.

struct iqk_matrix_regs {
	bool iqk_done;
        long value[1][IQK_MATRIX_REG_NUM];
};

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
CC: pkshih@realtek.com
CC: kvalo@kernel.org
CC: keescook@chromium.org
CC: colin.king@intel.com
CC: linux-wireless@vger.kernel.org
---
 drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

Comments

Ping-Ke Shih May 23, 2022, 2:35 a.m. UTC | #1
> -----Original Message-----
> From: Jakub Kicinski <kuba@kernel.org>
> Sent: Saturday, May 21, 2022 3:43 AM
> To: kvalo@kernel.org; johannes@sipsolutions.net
> Cc: netdev@vger.kernel.org; linux-wireless@vger.kernel.org; Jakub Kicinski <kuba@kernel.org>; Pkshih
> <pkshih@realtek.com>; keescook@chromium.org; colin.king@intel.com
> Subject: [PATCH net-next 3/8] wifi: rtlwifi: remove always-true condition pointed out by GCC 12
> 
> The .value is a two-dim array, not a pointer.
> 
> struct iqk_matrix_regs {
> 	bool iqk_done;
>         long value[1][IQK_MATRIX_REG_NUM];
> };
> 
> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
> ---
> CC: pkshih@realtek.com
> CC: kvalo@kernel.org
> CC: keescook@chromium.org
> CC: colin.king@intel.com
> CC: linux-wireless@vger.kernel.org
> ---
>  drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c
> b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c
> index 51fe51bb0504..15e6a6aded31 100644
> --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c
> +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c
> @@ -2386,10 +2386,7 @@ void rtl92d_phy_reload_iqk_setting(struct ieee80211_hw *hw, u8 channel)
>  			rtl_dbg(rtlpriv, COMP_SCAN, DBG_LOUD,
>  				"Just Read IQK Matrix reg for channel:%d....\n",
>  				channel);
> -			if ((rtlphy->iqk_matrix[indexforchannel].
> -			     value[0] != NULL)

This is a typo since initial commit. Correct it by
-			     value[0] != NULL)
+			     value[0][0] != 0)

So, NACK this patch.

--
Ping-Ke
Jakub Kicinski May 23, 2022, 3:57 p.m. UTC | #2
On Mon, 23 May 2022 02:35:32 +0000 Ping-Ke Shih wrote:
> This is a typo since initial commit. Correct it by
> -			     value[0] != NULL)
> +			     value[0][0] != 0)
> 
> So, NACK this patch.

Too, late, the patches were already applied, sorry. Please post a fixup.
Ping-Ke Shih May 24, 2022, 12:41 a.m. UTC | #3
> -----Original Message-----
> From: Jakub Kicinski <kuba@kernel.org>
> Sent: Monday, May 23, 2022 11:57 PM
> To: Ping-Ke Shih <pkshih@realtek.com>
> Cc: kvalo@kernel.org; johannes@sipsolutions.net; netdev@vger.kernel.org; linux-wireless@vger.kernel.org;
> keescook@chromium.org; colin.king@intel.com
> Subject: Re: [PATCH net-next 3/8] wifi: rtlwifi: remove always-true condition pointed out by GCC 12
> 
> On Mon, 23 May 2022 02:35:32 +0000 Ping-Ke Shih wrote:
> > This is a typo since initial commit. Correct it by
> > -			     value[0] != NULL)
> > +			     value[0][0] != 0)
> >
> > So, NACK this patch.
> 
> Too, late, the patches were already applied, sorry. Please post a fixup.

I have sent a patch to correct it: 
https://lore.kernel.org/linux-wireless/20220524003750.3989-1-pkshih@realtek.com/T/#u

Please take it into net-next tree.

Thank you
Ping-Ke
diff mbox series

Patch

diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c
index 51fe51bb0504..15e6a6aded31 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c
@@ -2386,10 +2386,7 @@  void rtl92d_phy_reload_iqk_setting(struct ieee80211_hw *hw, u8 channel)
 			rtl_dbg(rtlpriv, COMP_SCAN, DBG_LOUD,
 				"Just Read IQK Matrix reg for channel:%d....\n",
 				channel);
-			if ((rtlphy->iqk_matrix[indexforchannel].
-			     value[0] != NULL)
-				/*&&(regea4 != 0) */)
-				_rtl92d_phy_patha_fill_iqk_matrix(hw, true,
+			_rtl92d_phy_patha_fill_iqk_matrix(hw, true,
 					rtlphy->iqk_matrix[
 					indexforchannel].value,	0,
 					(rtlphy->iqk_matrix[