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path: root/sys/pci/if_pcn.c
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Diffstat (limited to 'sys/pci/if_pcn.c')
-rw-r--r--sys/pci/if_pcn.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/pci/if_pcn.c b/sys/pci/if_pcn.c
index 7dec359..f316146 100644
--- a/sys/pci/if_pcn.c
+++ b/sys/pci/if_pcn.c
@@ -351,6 +351,7 @@ pcn_setmulti(sc)
pcn_csr_write(sc, PCN_CSR_MAR0 + i, 0);
/* now program new ones */
+ IF_ADDR_LOCK(ifp);
TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
if (ifma->ifma_addr->sa_family != AF_LINK)
continue;
@@ -358,6 +359,7 @@ pcn_setmulti(sc)
ifma->ifma_addr), ETHER_ADDR_LEN) >> 26;
hashes[h >> 4] |= 1 << (h & 0xF);
}
+ IF_ADDR_UNLOCK(ifp);
for (i = 0; i < 4; i++)
pcn_csr_write(sc, PCN_CSR_MAR0 + i, hashes[i]);
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