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Persistently store NIC's hardware MAC address, and add a way to retrive it

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An earlier version of r318160 allocated if_hw_addr unconditionally; when it
became conditional, I forgot to check for NULL in ether_ifattach().

Reviewed by:	kp
MFC after:	1 week
MFC with:	r318160
Sponsored by:	Panasas
Differential Revision:	https://reviews.freebsd.org/D10678
Pointy-hat to:	rpokala
This commit is contained in:
rpokala 2017-05-11 06:46:39 +00:00
parent 46da9e8a4d
commit 22bc11147b
1 changed files with 2 additions and 1 deletions
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3
sys/net/if_ethersubr.c
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@ -916,7 +916,8 @@ ether_ifattach(struct ifnet *ifp, const u_int8_t *lla)
sdl->sdl_alen = ifp->if_addrlen;
bcopy(lla, LLADDR(sdl), ifp->if_addrlen);
bcopy(lla, ifp->if_hw_addr, ifp->if_addrlen);
if (ifp->if_hw_addr != NULL)
bcopy(lla, ifp->if_hw_addr, ifp->if_addrlen);
bpfattach(ifp, DLT_EN10MB, ETHER_HDR_LEN);
if (ng_ether_attach_p != NULL)