Message ID | 52BA50E9.1080203@huawei.com |
---|---|
State | Superseded, archived |
Delegated to: | David Miller |
Headers | show |
Hello. On 25-12-2013 7:28, Ding Tianhong wrote: > Use possibly more efficient ether_addr_equal > instead of memcmp. > Cc: Rupesh Gujare <rupesh.gujare@atmel.com> > Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > Cc: devel@driverdev.osuosl.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Tan Xiaojun <tanxiaojun@huawei.com> > Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> > --- > drivers/staging/ozwpan/ozcdev.c | 2 +- > drivers/staging/ozwpan/ozproto.c | 5 +++-- > 2 files changed, 4 insertions(+), 3 deletions(-) > diff --git a/drivers/staging/ozwpan/ozcdev.c b/drivers/staging/ozwpan/ozcdev.c > index 6ce0af9..c363f66 100644 > --- a/drivers/staging/ozwpan/ozcdev.c > +++ b/drivers/staging/ozwpan/ozcdev.c > @@ -448,7 +448,7 @@ int oz_cdev_start(struct oz_pd *pd, int resume) > } > spin_lock(&g_cdev.lock); > if ((g_cdev.active_pd == NULL) && > - (memcmp(pd->mac_addr, g_cdev.active_addr, ETH_ALEN) == 0)) { > + (ether_addr_equal(pd->mac_addr, g_cdev.active_addr))) { There's no point in enclosing function call into parens. WBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 2013/12/25 18:54, Sergei Shtylyov wrote: > Hello. > > On 25-12-2013 7:28, Ding Tianhong wrote: > >> Use possibly more efficient ether_addr_equal >> instead of memcmp. > >> Cc: Rupesh Gujare <rupesh.gujare@atmel.com> >> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> >> Cc: devel@driverdev.osuosl.org >> Cc: linux-kernel@vger.kernel.org >> Signed-off-by: Tan Xiaojun <tanxiaojun@huawei.com> >> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> >> --- >> drivers/staging/ozwpan/ozcdev.c | 2 +- >> drivers/staging/ozwpan/ozproto.c | 5 +++-- >> 2 files changed, 4 insertions(+), 3 deletions(-) > >> diff --git a/drivers/staging/ozwpan/ozcdev.c b/drivers/staging/ozwpan/ozcdev.c >> index 6ce0af9..c363f66 100644 >> --- a/drivers/staging/ozwpan/ozcdev.c >> +++ b/drivers/staging/ozwpan/ozcdev.c >> @@ -448,7 +448,7 @@ int oz_cdev_start(struct oz_pd *pd, int resume) >> } >> spin_lock(&g_cdev.lock); >> if ((g_cdev.active_pd == NULL) && >> - (memcmp(pd->mac_addr, g_cdev.active_addr, ETH_ALEN) == 0)) { >> + (ether_addr_equal(pd->mac_addr, g_cdev.active_addr))) { > > There's no point in enclosing function call into parens. > > WBR, Sergei > ok, thanks. Regards Ding > > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/staging/ozwpan/ozcdev.c b/drivers/staging/ozwpan/ozcdev.c index 6ce0af9..c363f66 100644 --- a/drivers/staging/ozwpan/ozcdev.c +++ b/drivers/staging/ozwpan/ozcdev.c @@ -448,7 +448,7 @@ int oz_cdev_start(struct oz_pd *pd, int resume) } spin_lock(&g_cdev.lock); if ((g_cdev.active_pd == NULL) && - (memcmp(pd->mac_addr, g_cdev.active_addr, ETH_ALEN) == 0)) { + (ether_addr_equal(pd->mac_addr, g_cdev.active_addr))) { oz_pd_get(pd); g_cdev.active_pd = pd; oz_dbg(ON, "Active PD arrived\n"); diff --git a/drivers/staging/ozwpan/ozproto.c b/drivers/staging/ozwpan/ozproto.c index 88714ec..19a2521 100644 --- a/drivers/staging/ozwpan/ozproto.c +++ b/drivers/staging/ozwpan/ozproto.c @@ -9,6 +9,7 @@ #include <linux/timer.h> #include <linux/sched.h> #include <linux/netdevice.h> +#include <linux/etherdevice.h> #include <linux/errno.h> #include <linux/ieee80211.h> #include "ozdbg.h" @@ -180,7 +181,7 @@ static struct oz_pd *oz_connect_req(struct oz_pd *cur_pd, struct oz_elt *elt, spin_lock_bh(&g_polling_lock); list_for_each(e, &g_pd_list) { pd2 = container_of(e, struct oz_pd, link); - if (memcmp(pd2->mac_addr, pd_addr, ETH_ALEN) == 0) { + if (ether_addr_equal(pd2->mac_addr, pd_addr)) { free_pd = pd; pd = pd2; break; @@ -597,7 +598,7 @@ struct oz_pd *oz_pd_find(const u8 *mac_addr) spin_lock_bh(&g_polling_lock); list_for_each(e, &g_pd_list) { pd = container_of(e, struct oz_pd, link); - if (memcmp(pd->mac_addr, mac_addr, ETH_ALEN) == 0) { + if (ether_addr_equal(pd->mac_addr, mac_addr)) { atomic_inc(&pd->ref_count); spin_unlock_bh(&g_polling_lock); return pd;