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deal with malloc failure when setting up the multicast filter

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Noticed by:	Coverity Prevent analysis tool
This commit is contained in:
Sam Leffler 2005-03-26 23:26:49 +00:00
parent af5691cdd5
commit 52c94c38dc
2 changed files with 8 additions and 0 deletions
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4
sys/dev/ti/if_ti.c
View File

@ -1626,6 +1626,10 @@ ti_setmulti(sc)
if (ifma->ifma_addr->sa_family != AF_LINK) if (ifma->ifma_addr->sa_family != AF_LINK)
continue; continue;
mc = malloc(sizeof(struct ti_mc_entry), M_DEVBUF, M_NOWAIT); mc = malloc(sizeof(struct ti_mc_entry), M_DEVBUF, M_NOWAIT);
if (mc == NULL) {
if_printf(ifp, "no memory for mcast filter entry\n");
continue;
}
bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr), bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr),
(char *)&mc->mc_addr, ETHER_ADDR_LEN); (char *)&mc->mc_addr, ETHER_ADDR_LEN);
SLIST_INSERT_HEAD(&sc->ti_mc_listhead, mc, mc_entries); SLIST_INSERT_HEAD(&sc->ti_mc_listhead, mc, mc_entries);

4
sys/pci/if_ti.c
View File

@ -1626,6 +1626,10 @@ ti_setmulti(sc)
if (ifma->ifma_addr->sa_family != AF_LINK) if (ifma->ifma_addr->sa_family != AF_LINK)
continue; continue;
mc = malloc(sizeof(struct ti_mc_entry), M_DEVBUF, M_NOWAIT); mc = malloc(sizeof(struct ti_mc_entry), M_DEVBUF, M_NOWAIT);
if (mc == NULL) {
if_printf(ifp, "no memory for mcast filter entry\n");
continue;
}
bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr), bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr),
(char *)&mc->mc_addr, ETHER_ADDR_LEN); (char *)&mc->mc_addr, ETHER_ADDR_LEN);
SLIST_INSERT_HEAD(&sc->ti_mc_listhead, mc, mc_entries); SLIST_INSERT_HEAD(&sc->ti_mc_listhead, mc, mc_entries);