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Lock unp2 after checking for a non-NULL unp2 pointer in uipc_send() on

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datagram UNIX domain sockets, not before.
This commit is contained in:
Robert Watson 2007-02-28 08:08:50 +00:00
parent 7b6b0e6d24
commit 3592fd4de5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=167097
1 changed files with 1 additions and 1 deletions
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2
sys/kern/uipc_usrreq.c
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@ -800,11 +800,11 @@ uipc_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *nam,
* correct error that the socket is not connected.
*/
UNP_PCB_LOCK_ASSERT(unp);
UNP_PCB_LOCK(unp2);
if (unp2 == NULL) {
error = ENOTCONN;
break;
}
UNP_PCB_LOCK(unp2);
so2 = unp2->unp_socket;
if (unp->unp_addr != NULL)
from = (struct sockaddr *)unp->unp_addr;