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