Re: [PATCH][next] iwlwifi: mvm: fix comparison of u32 variable with less than zero

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On Mon, 2019-07-01 at 17:26 +0100, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> 
> The comparison of the u32 variable wgds_tbl_idx with less than zero is
> always going to be false because it is unsigned.  Fix this by making
> wgds_tbl_idx a plain signed int.
> 
> Addresses-Coverity: ("Unsigned compared against 0")
> Fixes: 4fd445a2c855 ("iwlwifi: mvm: Add log information about SAR status")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
>  drivers/net/wireless/intel/iwlwifi/mvm/nvm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
> index 719f793b3487..a9bb43a2f27b 100644
> --- a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
> +++ b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
> @@ -620,7 +620,7 @@ void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
>  	enum iwl_mcc_source src;
>  	char mcc[3];
>  	struct ieee80211_regdomain *regd;
> -	u32 wgds_tbl_idx;
> +	int wgds_tbl_idx;
>  
>  	lockdep_assert_held(&mvm->mutex);

Thanks, Colin!

I applied this to our internal tree and it will reach the mainline
following our normal upstreaming process.

--
Cheers,
Luca.




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