diff options
Diffstat (limited to 'net/atm/br2684.c')
| -rw-r--r-- | net/atm/br2684.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/net/atm/br2684.c b/net/atm/br2684.c index 10462de734ea..f666f2f98ba5 100644 --- a/net/atm/br2684.c +++ b/net/atm/br2684.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Ethernet netdevice using ATM AAL5 as underlying carrier * (RFC1483 obsoleted by RFC2684) for Linux @@ -92,8 +93,8 @@ struct br2684_dev { * This lock should be held for writing any time the list of devices or * their attached vcc's could be altered. It should be held for reading * any time these are being queried. Note that we sometimes need to - * do read-locking under interrupt context, so write locking must block - * the current CPU's interrupts + * do read-locking under interrupting context, so write locking must block + * the current CPU's interrupts. */ static DEFINE_RWLOCK(devs_lock); @@ -576,10 +577,12 @@ static int br2684_regvcc(struct atm_vcc *atmvcc, void __user * arg) pr_debug("vcc=%p, encaps=%d, brvcc=%p\n", atmvcc, be.encaps, brvcc); if (list_empty(&brdev->brvccs) && !brdev->mac_was_set) { unsigned char *esi = atmvcc->dev->esi; + const u8 one = 1; + if (esi[0] | esi[1] | esi[2] | esi[3] | esi[4] | esi[5]) - memcpy(net_dev->dev_addr, esi, net_dev->addr_len); + dev_addr_set(net_dev, esi); else - net_dev->dev_addr[2] = 1; + dev_addr_mod(net_dev, 2, &one, 1); } list_add(&brvcc->brvccs, &brdev->brvccs); write_unlock_irq(&devs_lock); |