On Tue, Jul 14, 2020 at 11:57:23AM -0700, Joe Perches wrote:
> 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 <usura...@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);

Thanks to point this out,
        I will be sending a patchset for that soon.

Thanks,

Suraj Upadhyay.

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