On Sat, Nov 26, 2016 at 07:36:29PM +0100, Christophe JAILLET wrote: > BNX2FC_NUM_ERR_BITS is 63. err_warn_bit_map is a u64. So, to make sure that > no shift wrapping will occur, we need need additionnal casting. > > The same test is already done a few lines above and '(u64)1' is already > used there. So just do the same here. > > Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> > --- > I guess that this could also be written with a '1ULL << i' which would be > cleaner and less verbose IMHO, but apparently this driver does not use > such things yet. So keep the current style with casting. Ugh... No. This is not code to emulate. Use 1ULL << i. Even if we did the cast, you would only need one: if (err_warn_bit_map & ((u64)1 << i)) { regards, dan carpenter -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html