Messages in this thread | | | Subject | Re: [PATCH 6/6] staging: qlge: qlge_ethtool: Remove one byte memset. | From | Joe Perches <> | Date | Tue, 14 Jul 2020 11:57:23 -0700 |
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On Mon, 2020-07-13 at 17:17 +0300, Dan Carpenter wrote: > On Mon, Jul 13, 2020 at 05:52:22PM +0530, Suraj Upadhyay wrote: > > Use direct assignment instead of using memset with just one byte as an > > argument. > > Issue found by checkpatch.pl. > > > > Signed-off-by: Suraj Upadhyay <usuraj35@gmail.com> > > --- > > Hii Maintainers, > > Please correct me if I am wrong here. > > --- > > > > drivers/staging/qlge/qlge_ethtool.c | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/staging/qlge/qlge_ethtool.c b/drivers/staging/qlge/qlge_ethtool.c > > index 16fcdefa9687..d44b2dae9213 100644 > > --- a/drivers/staging/qlge/qlge_ethtool.c > > +++ b/drivers/staging/qlge/qlge_ethtool.c > > @@ -516,8 +516,8 @@ static void ql_create_lb_frame(struct sk_buff *skb, > > memset(skb->data, 0xFF, frame_size); > > frame_size &= ~1; > > memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); > > - memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); > > - memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); > > + skb->data[frame_size / 2 + 10] = (unsigned char)0xBE; > > + skb->data[frame_size / 2 + 12] = (unsigned char)0xAF; > > Remove the casting. > > I guess this is better than the original because now it looks like > ql_check_lb_frame(). It's still really weird looking though.
There are several of these in the intel drivers too:
drivers/net/ethernet/intel/e1000/e1000_ethtool.c: memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); drivers/net/ethernet/intel/e1000/e1000_ethtool.c: memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); drivers/net/ethernet/intel/e1000e/ethtool.c: memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); drivers/net/ethernet/intel/e1000e/ethtool.c: memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); drivers/net/ethernet/intel/igb/igb_ethtool.c: memset(&skb->data[frame_size + 10], 0xBE, 1); drivers/net/ethernet/intel/igb/igb_ethtool.c: memset(&skb->data[frame_size + 12], 0xAF, 1); drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c: memset(&skb->data[frame_size + 10], 0xBE, 1); drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c: memset(&skb->data[frame_size + 12], 0xAF, 1); drivers/staging/qlge/qlge_ethtool.c: memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); drivers/staging/qlge/qlge_ethtool.c: memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
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