Re: [PATCH] Staging: rtl8188eu: rtw_mlme: Fix uninitialized variable authmode

From: Dan Carpenter
Date: Mon Jul 27 2020 - 07:45:26 EST


On Fri, Jul 24, 2020 at 08:29:55PM +0800, Dinghao Liu wrote:
> The variable authmode will keep uninitialized if neither if
> statements used to initialize this variable are not triggered.
> Then authmode may contain a garbage value and influence the
> execution flow of this function.
>
> Fix this by initializing it to zero.
>
> Signed-off-by: Dinghao Liu <dinghao.liu@xxxxxxxxxx>

This matches how rtl8723bs does it.

Fixes: 7b464c9fa5cc ("staging: r8188eu: Add files for new driver - part 4")
Reviewed-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

There is a quirk/bug in GCC where it's initializing stuff to zero
sometimes instead of printing a compile warning so this probably doesn't
change run time very much.

regards,
dan carpenter