Re: [PATCH] staging: r8188eu: Fix breakage introduced when 5G code was removed

From: Greg KH
Date: Sun Nov 07 2021 - 03:18:52 EST


On Sat, Nov 06, 2021 at 08:31:23PM -0500, Larry Finger wrote:
> In commit 221abd4d478a ("staging: r8188eu: Remove no more necessary definitions
> and code"), two entries were removed from RTW_ChannelPlanMap[], but not replaced
> with zeros. The position within this table is important, thus the patch broke
> systems operating in regulatory domains listed later than entry 0x13 in the table.
> Unfortunately, the FCC entry comes before that point and most testers did not see
> this problem.
>
> Reported-and-tested-by: Zameer Manji <zmanji@xxxxxxxxx>
> Fixes: 221abd4d478a ("staging: r8188eu: Remove no more necessary definitions and code")
> Cc: Stable <stable@xxxxxxxxxxxxxxx> # v5.5+
> Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
> ---
> drivers/staging/r8188eu/core/rtw_mlme_ext.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
> index 55c3d4a6faeb..d3814174e08f 100644
> --- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c
> +++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c
> @@ -107,6 +107,7 @@ static struct rt_channel_plan_map RTW_ChannelPlanMap[RT_CHANNEL_DOMAIN_MAX] = {
> {0x01}, /* 0x10, RT_CHANNEL_DOMAIN_JAPAN */
> {0x02}, /* 0x11, RT_CHANNEL_DOMAIN_FCC_NO_DFS */
> {0x01}, /* 0x12, RT_CHANNEL_DOMAIN_JAPAN_NO_DFS */
> + (0x00), /* 0x13 */

I don't think you test-built this :(