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Lock inp while we're accessing it.

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This commit is contained in:
truckman 2002-07-12 08:05:22 +00:00
parent 4d88d6566a
commit eadeed2263
1 changed files with 8 additions and 1 deletions
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9
sys/netinet/udp_usrreq.c
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@ -681,7 +681,12 @@ udp_getcred(SYSCTL_HANDLER_ARGS)
INP_INFO_RLOCK(&udbinfo);
inp = in_pcblookup_hash(&udbinfo, addrs[1].sin_addr, addrs[1].sin_port,
addrs[0].sin_addr, addrs[0].sin_port, 1, NULL);
if (inp == NULL || inp->inp_socket == NULL) {
if (inp == NULL) {
error = ENOENT;
goto outunlocked;
}
INP_LOCK(inp);
if (inp->inp_socket == NULL) {
error = ENOENT;
goto out;
}
@ -690,6 +695,8 @@ udp_getcred(SYSCTL_HANDLER_ARGS)
goto out;
cru2x(inp->inp_socket->so_cred, &xuc);
out:
INP_UNLOCK(inp);
outunlocked:
INP_INFO_RUNLOCK(&udbinfo);
splx(s);
if (error == 0)