linux-kernel - Re: [PATCH v2 1/2] staging: rtl8192e: Remove unused Array Rtl8192PciERadioC

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Date:   Wed, 8 Mar 2023 10:58:32 +0300
From:   Dan Carpenter <error27@...il.com>
To:     Philipp Hortmann <philipp.g.hortmann@...il.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] staging: rtl8192e: Remove unused Array
 Rtl8192PciERadioC_Array

On Tue, Mar 07, 2023 at 10:01:06PM +0100, Philipp Hortmann wrote:
> The array Rtl8192PciERadioC_Array is only used in function
> rtl92e_config_rf_path which is only called in function rtl92e_config_rf.
> In function rtl92e_config_rf a termination condition for the loop is set
> to priv->num_total_rf_path = RTL819X_TOTAL_RF_PATH = 2. The loop is only
> executed with numbers 0 and 1 for eRFPath. So the function
> rtl92e_config_rf_path is only called with eRFPath for 0 and 1 and never
> with 2 that would make the "case RF90_PATH_C:" be called. Remove
> resulting dead code.
> 
> Signed-off-by: Philipp Hortmann <philipp.g.hortmann@...il.com>
> ---
> V1->V2: Changed argumentation in the description and subject

Thanks.  This explanation is very good.  I was expecting that the issue
was in a completely different place so this explanation really helps a
lot.

Reviewed-by: Dan Carpenter <error27@...il.com>

regards,
dan carpenter