diff options
| author | truckman <truckman@FreeBSD.org> | 2002-07-12 08:05:22 +0000 |
|---|---|---|
| committer | truckman <truckman@FreeBSD.org> | 2002-07-12 08:05:22 +0000 |
| commit | eadeed2263662ca7695f662eb9228c5017c82422 (patch) | |
| tree | 4e78f010577b81d98d9e69cfc588077dc58d2a57 /sys/netinet/udp_usrreq.c | |
| parent | 4d88d6566a61c3b7598a583389954ccba701acb4 (diff) | |
| download | FreeBSD-src-eadeed2263662ca7695f662eb9228c5017c82422.zip FreeBSD-src-eadeed2263662ca7695f662eb9228c5017c82422.tar.gz | |
Lock inp while we're accessing it.
Diffstat (limited to 'sys/netinet/udp_usrreq.c')
| -rw-r--r-- | sys/netinet/udp_usrreq.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/netinet/udp_usrreq.c b/sys/netinet/udp_usrreq.c index 56bb1e1..a40015c 100644 --- a/sys/netinet/udp_usrreq.c +++ b/sys/netinet/udp_usrreq.c @@ -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) |
