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[3/3] sctp_diag: Respect ss adding TCPF_CLOSE to idiag_states

Message ID 1469811580-32429-4-git-send-email-phil@nwl.cc
State Changes Requested, archived
Delegated to: David Miller
Headers show

Commit Message

Phil Sutter July 29, 2016, 4:59 p.m. UTC 
Since 'ss' always adds TCPF_CLOSE to idiag_states flags, sctp_diag can't
rely upon TCPF_LISTEN flag solely being present when listening sockets
are requested.

Signed-off-by: Phil Sutter <phil@nwl.cc>
---
 net/sctp/sctp_diag.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/net/sctp/sctp_diag.c b/net/sctp/sctp_diag.c
index 0ad6033a7330c..92ae2828189d5 100644
--- a/net/sctp/sctp_diag.c
+++ b/net/sctp/sctp_diag.c
@@ -352,7 +352,7 @@  static int sctp_ep_dump(struct sctp_endpoint *ep, void *p)
 	if (cb->args[4] < cb->args[1])
 		goto next;
 
-	if ((r->idiag_states & ~TCPF_LISTEN) && !list_empty(&ep->asocs))
+	if (!(r->idiag_states & TCPF_LISTEN) && !list_empty(&ep->asocs))
 		goto next;
 
 	if (r->sdiag_family != AF_UNSPEC &&
@@ -467,7 +467,7 @@  skip:
 	 * 3 : to mark if we have dumped the ep info of the current asoc
 	 * 4 : to work as a temporary variable to traversal list
 	 */
-	if (!(idiag_states & ~TCPF_LISTEN))
+	if (!(idiag_states & ~(TCPF_LISTEN | TCPF_CLOSE)))
 		goto done;
 	sctp_for_each_transport(sctp_tsp_dump, net, cb->args[2], &commp);
 done: