On 16-05-18 09:15:40, Oliver Neukum wrote: > On Tue, 2016-05-17 at 23:30 -0700, Guenter Roeck wrote: > > On Wed, May 18, 2016 at 02:13:30AM +0200, Heinrich Schuchardt wrote: > > > (!count || count < 4) is always true. > > > > Even if count >= 4 ? > > The check for !count is redundant, though. Gcc, however, > will surely simplify the expression. Yep, gcc-6 generates this code: ... cmp $0x3,%edx jle b9 <read_bulk_callback+0x69> ... Which does not invalidate your statement that "!count" is redundant. :) Petko -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
