Message ID | 1537424620-6982-29-git-send-email-ajay.kathat@microchip.com (mailing list archive) |
---|---|
State | Not Applicable |
Delegated to: | Kalle Valo |
Headers | show |
Series | staging: wilc1000: avoid static variables and cleanup changes | expand |
On Thu, 2018-09-20 at 11:53 +0530, Ajay Singh wrote: > Cleanup patch to add extra spaces around the '/' to avoid the below > checkpatch warning. > > 'spaces preferred around that '/' (ctx:VxV)' > > Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> > --- > drivers/staging/wilc1000/linux_wlan.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c > index 695d5b2..29c1317 100644 > --- a/drivers/staging/wilc1000/linux_wlan.c > +++ b/drivers/staging/wilc1000/linux_wlan.c > @@ -823,7 +823,7 @@ static void wilc_set_multicast_list(struct net_device *dev) > > netdev_for_each_mc_addr(ha, dev) { > memcpy(mc_list + i, ha->addr, ETH_ALEN); > - netdev_dbg(dev, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", i/ETH_ALEN, > + netdev_dbg(dev, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", i / ETH_ALEN, > mc_list[i], mc_list[i + 1], mc_list[i + 2], > mc_list[i + 3], mc_list[i + 4], mc_list[i + 5]); > i += ETH_ALEN; Probably better using the vsprintf %pM extension: netdev_dbg(dev, Entry[%d]: %pM\n", i / ETH_ALEN, mc_list + i); though I would also suggest using another temporary pointer instead of an offset and divisions. Something like: o use kmalloc_array o remove unnecessary res o add u8 *cur_mc o use i as index --- diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c index 49afda669393..2b4c92319507 100644 --- a/drivers/staging/wilc1000/linux_wlan.c +++ b/drivers/staging/wilc1000/linux_wlan.c @@ -802,9 +802,9 @@ static void wilc_set_multicast_list(struct net_device *dev) { struct netdev_hw_addr *ha; struct wilc_vif *vif = netdev_priv(dev); - int i = 0; + int i; u8 *mc_list; - int res; + u8 *cur_mc; if (dev->flags & IFF_PROMISC) return; @@ -820,20 +820,20 @@ static void wilc_set_multicast_list(struct net_device *dev) return; } - mc_list = kmalloc(dev->mc.count * ETH_ALEN, GFP_KERNEL); + mc_list = kmalloc_array(dev->mc.count, ETH_ALEN, GFP_KERNEL); if (!mc_list) return; + cur_mc = mc_list; + i = 0; netdev_for_each_mc_addr(ha, dev) { - memcpy(mc_list + i, ha->addr, ETH_ALEN); - netdev_dbg(dev, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", i/ETH_ALEN, - mc_list[i], mc_list[i + 1], mc_list[i + 2], - mc_list[i + 3], mc_list[i + 4], mc_list[i + 5]); - i += ETH_ALEN; + memcpy(cur_mc, ha->addr, ETH_ALEN); + netdev_dbg(dev, "Entry[%d]: %pM\n", i, cur_mc); + i++; + cur_mc += ETH_ALEN; } - res = wilc_setup_multicast_filter(vif, true, dev->mc.count, mc_list); - if (res) + if (wilc_setup_multicast_filter(vif, true, dev->mc.count, mc_list)) kfree(mc_list); }
On Thu, 20 Sep 2018 02:57:21 -0700 Joe Perches <joe@perches.com> wrote: > On Thu, 2018-09-20 at 11:53 +0530, Ajay Singh wrote: > > Cleanup patch to add extra spaces around the '/' to avoid the below > > checkpatch warning. > > > > 'spaces preferred around that '/' (ctx:VxV)' > > > > Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> > > --- > > drivers/staging/wilc1000/linux_wlan.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/staging/wilc1000/linux_wlan.c > > b/drivers/staging/wilc1000/linux_wlan.c index 695d5b2..29c1317 > > 100644 --- a/drivers/staging/wilc1000/linux_wlan.c > > +++ b/drivers/staging/wilc1000/linux_wlan.c > > @@ -823,7 +823,7 @@ static void wilc_set_multicast_list(struct > > net_device *dev) > > netdev_for_each_mc_addr(ha, dev) { > > memcpy(mc_list + i, ha->addr, ETH_ALEN); > > - netdev_dbg(dev, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", > > i/ETH_ALEN, > > + netdev_dbg(dev, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", > > i / ETH_ALEN, mc_list[i], mc_list[i + 1], mc_list[i + 2], > > mc_list[i + 3], mc_list[i + 4], > > mc_list[i + 5]); i += ETH_ALEN; > > Probably better using the vsprintf %pM extension: > > netdev_dbg(dev, Entry[%d]: %pM\n", i / ETH_ALEN, mc_list + i); > > though I would also suggest using another temporary > pointer instead of an offset and divisions. > > Something like: > > o use kmalloc_array > o remove unnecessary res > o add u8 *cur_mc > o use i as index Hi Joe, Thanks for your suggestion and sharing the code changes. I agree, it looks better with your modification. Do I need to resend the updated patch series by including your changes or can this patch be applied from your mail ? Regards, Ajay
diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c index 695d5b2..29c1317 100644 --- a/drivers/staging/wilc1000/linux_wlan.c +++ b/drivers/staging/wilc1000/linux_wlan.c @@ -823,7 +823,7 @@ static void wilc_set_multicast_list(struct net_device *dev) netdev_for_each_mc_addr(ha, dev) { memcpy(mc_list + i, ha->addr, ETH_ALEN); - netdev_dbg(dev, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", i/ETH_ALEN, + netdev_dbg(dev, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", i / ETH_ALEN, mc_list[i], mc_list[i + 1], mc_list[i + 2], mc_list[i + 3], mc_list[i + 4], mc_list[i + 5]); i += ETH_ALEN;
Cleanup patch to add extra spaces around the '/' to avoid the below checkpatch warning. 'spaces preferred around that '/' (ctx:VxV)' Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> --- drivers/staging/wilc1000/linux_wlan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)