[PATCH] iwlwifi: mvm: Fix bitwise vs logical operator in iwl_mvm_scan_fits()

Subsystems: intel wireless wifi link (iwlwifi), the rest

STALE1820d

2 messages, 2 authors, 2021-08-16 · open the first message on its own page

[PATCH] iwlwifi: mvm: Fix bitwise vs logical operator in iwl_mvm_scan_fits()

From: Nathan Chancellor <nathan@kernel.org>
Date: 2021-08-14 23:43:15

Clang warns:

drivers/net/wireless/intel/iwlwifi/mvm/scan.c:835:3: warning: bitwise
and of boolean expressions; did you mean logical and?
[-Wbool-operation-and]
                (n_channels <= mvm->fw->ucode_capa.n_scan_channels) &
                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                                                                    &&
1 warning generated.

Replace the bitwise AND with a logical one to solve the warning, which
is clearly what was intended.

Fixes: 999d2568ee0c ("iwlwifi: mvm: combine scan size checks into a common function")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
---
 drivers/net/wireless/intel/iwlwifi/mvm/scan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
index 0368b7101222..494379fc9224 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
@@ -832,7 +832,7 @@ static inline bool iwl_mvm_scan_fits(struct iwl_mvm *mvm, int n_ssids,
 				     int n_channels)
 {
 	return ((n_ssids <= PROBE_OPTION_MAX) &&
-		(n_channels <= mvm->fw->ucode_capa.n_scan_channels) &
+		(n_channels <= mvm->fw->ucode_capa.n_scan_channels) &&
 		(ies->common_ie_len +
 		 ies->len[NL80211_BAND_2GHZ] +
 		 ies->len[NL80211_BAND_5GHZ] <=
base-commit: ba31f97d43be41ca99ab72a6131d7c226306865f
-- 
2.33.0.rc2

Re: [PATCH] iwlwifi: mvm: Fix bitwise vs logical operator in iwl_mvm_scan_fits()

From: Nick Desaulniers <ndesaulniers@google.com>
Date: 2021-08-16 18:45:51

On Sat, Aug 14, 2021 at 4:43 PM Nathan Chancellor [off-list ref] wrote:
Clang warns:

drivers/net/wireless/intel/iwlwifi/mvm/scan.c:835:3: warning: bitwise
and of boolean expressions; did you mean logical and?
[-Wbool-operation-and]
                (n_channels <= mvm->fw->ucode_capa.n_scan_channels) &
                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                                                                    &&
1 warning generated.

Replace the bitwise AND with a logical one to solve the warning, which
is clearly what was intended.

Fixes: 999d2568ee0c ("iwlwifi: mvm: combine scan size checks into a common function")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Thanks for the patch!
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
quoted hunk
---
 drivers/net/wireless/intel/iwlwifi/mvm/scan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
index 0368b7101222..494379fc9224 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
@@ -832,7 +832,7 @@ static inline bool iwl_mvm_scan_fits(struct iwl_mvm *mvm, int n_ssids,
                                     int n_channels)
 {
        return ((n_ssids <= PROBE_OPTION_MAX) &&
-               (n_channels <= mvm->fw->ucode_capa.n_scan_channels) &
+               (n_channels <= mvm->fw->ucode_capa.n_scan_channels) &&
                (ies->common_ie_len +
                 ies->len[NL80211_BAND_2GHZ] +
                 ies->len[NL80211_BAND_5GHZ] <=
base-commit: ba31f97d43be41ca99ab72a6131d7c226306865f
--
2.33.0.rc2

-- 
Thanks,
~Nick Desaulniers
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