linux-kernel - Re: [PATCH] staging: rtl8192e: set dm_rx_path_sel

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Date:   Sat, 11 Feb 2023 17:40:22 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Tom Rix <trix@...hat.com>
Cc:     philipp.g.hortmann@...il.com, dragan.m.cvetic@...il.com,
        wjsota@...il.com, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: rtl8192e: set dm_rx_path_sel_table
 storage-class-specifier to static

On Sat, Feb 11, 2023 at 07:28:56AM -0800, Tom Rix wrote:
> smatch reports
> drivers/staging/rtl8192e/rtl8192e/rtl_dm.c:147:21:
>   warning: symbol 'dm_rx_path_sel_table' was not declared. Should it be static?
> 
> dm_rx_path_sel_table is only used in rtl_dm.c, so it should be static
> 
> Signed-off-by: Tom Rix <trix@...hat.com>
> ---
>  drivers/staging/rtl8192e/rtl8192e/rtl_dm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
> index d8455b23e555..3bc5dabf2e2c 100644
> --- a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
> +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
> @@ -144,7 +144,7 @@ const u8 dm_cck_tx_bb_gain_ch14[CCK_TX_BB_GAIN_TABLE_LEN][8] = {
>  /*------------------------Define global variable-----------------------------*/
>  struct dig_t dm_digtable;
>  
> -struct drx_path_sel dm_rx_path_sel_table;
> +static struct drx_path_sel dm_rx_path_sel_table;

So now you have a local variable in the chunk that says "global
variable" :(

Please always be aware of the context of the code you are changing.

thanks,

greg k-h