Re: [PATCH v2] staging: rtl8192e: remove bogus ssid character sign test

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On Tue, Oct 25, 2022 at 02:21:50PM +0200, Jason A. Donenfeld wrote:
> This error triggers on some architectures with unsigned `char` types:
> 
> drivers/staging/rtl8192e/rtllib_softmac_wx.c:459 rtllib_wx_set_essid() warn: impossible condition '(extra[i] < 0) => (0-255 < 0)'
> 
> But actually, the entire test is bogus, as ssids don't have any sign
> validity rules like that. So just remove this check look all together.
> 
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: linux-staging@xxxxxxxxxxxxxxx
> Signed-off-by: Jason A. Donenfeld <Jason@xxxxxxxxx>
> ---
> Changes v1->v2:
> - Remove ssid sign test entirely rather than casting to `s8 *`.

Thanks!

Reviewed-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

regards,
dan carpenter





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