> > There seems also to be an opportunity in drivers/scsi/qla2xxx/qla_init.c: > > memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac)) If you plan do semantic patch then there are also examples of: ./drivers/staging/rtl8712/rtl871x_recv.c: if (!memcmp(pattrib->bssid, "\x0\x0\x0\x0\x0\x0", ETH_ALEN) | similarly is_broadcast_ether_addr() to replace memcmp with 6 off 0xFF and endless number of memcmp that can be replaced with ether_addr_equal() Thanks Tomas > julia > > On Sun, 19 Aug 2012, Tomas Winkler wrote: > > > "addr" is a pointer so it's either 4 or 8 bytes, but actually we want > > to compare 6 bytes (ETH_ALEN). > > > > As network stack already provides helper function > > is_zero_ether_addr() we use that instead of memcmp > > > > Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx> > > Cc: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > > Cc: Rupesh Gujare <rgujare@xxxxxxxxxxxxxxx> > > --- > > V1: by Dan Carpenter <dan.carpenter@xxxxxxxxxx> > > V2: replace memcmp with is_zero_ether_addr > > V3: include <linux/etherdevice.h> > > > > drivers/staging/ozwpan/ozcdev.c | 3 ++- > > 1 files changed, 2 insertions(+), 1 deletions(-) > > > > diff --git a/drivers/staging/ozwpan/ozcdev.c > > b/drivers/staging/ozwpan/ozcdev.c index d983219..758ce0a 100644 > > --- a/drivers/staging/ozwpan/ozcdev.c > > +++ b/drivers/staging/ozwpan/ozcdev.c > > @@ -8,6 +8,7 @@ > > #include <linux/cdev.h> > > #include <linux/uaccess.h> > > #include <linux/netdevice.h> > > +#include <linux/etherdevice.h> > > #include <linux/poll.h> > > #include <linux/sched.h> > > #include "ozconfig.h" > > @@ -213,7 +214,7 @@ static int oz_set_active_pd(u8 *addr) > > if (old_pd) > > oz_pd_put(old_pd); > > } else { > > - if (!memcmp(addr, "\0\0\0\0\0\0", sizeof(addr))) { > > + if (is_zero_ether_addr(addr)) { > > spin_lock_bh(&g_cdev.lock); > > pd = g_cdev.active_pd; > > g_cdev.active_pd = 0; > > -- > > 1.7.4.4 > > > > -- > > 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 > > -- 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