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authorrwatson <rwatson@FreeBSD.org>2005-01-09 05:08:47 +0000
committerrwatson <rwatson@FreeBSD.org>2005-01-09 05:08:47 +0000
commitc7ec30d9b796b05c4aad6442913085be5405f138 (patch)
tree3a2c8367b4ef3071f348edda3aad8cdc34a6f7de
parentcfbc0538b8d32d6ca38edda1273c41860d3af043 (diff)
downloadFreeBSD-src-c7ec30d9b796b05c4aad6442913085be5405f138.zip
FreeBSD-src-c7ec30d9b796b05c4aad6442913085be5405f138.tar.gz
Hold the IPX PCB mutex around calls to ipx_input() in the IPX input
path. MFC after: 3 weeks
-rw-r--r--sys/netipx/ipx_input.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/netipx/ipx_input.c b/sys/netipx/ipx_input.c
index 92d4e38..d0d01a4 100644
--- a/sys/netipx/ipx_input.c
+++ b/sys/netipx/ipx_input.c
@@ -165,8 +165,11 @@ ipxintr(struct mbuf *m)
IPX_LIST_LOCK();
LIST_FOREACH(ipxp, &ipxrawpcb_list, ipxp_list) {
struct mbuf *m1 = m_copy(m, 0, (int)M_COPYALL);
- if (m1 != NULL)
+ if (m1 != NULL) {
+ IPX_LOCK(ipxp);
ipx_input(m1, ipxp);
+ IPX_UNLOCK(ipxp);
+ }
}
IPX_LIST_UNLOCK();
@@ -278,7 +281,9 @@ ours:
IPX_LIST_UNLOCK();
return;
}
+ IPX_LOCK(ipxp);
ipx_input(m, ipxp);
+ IPX_UNLOCK(ipxp);
} else
m_freem(m);
IPX_LIST_UNLOCK();
@@ -507,7 +512,9 @@ struct ifnet *ifp;
}
}
ipx->ipx_len = ntohl(m0->m_pkthdr.len);
+ IPX_LOCK(ipxp);
ipx_input(m0, ipxp);
+ IPX_UNLOCK(ipxp);
}
}
IPX_LIST_UNLOCK();
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