[PATCH] IB/ipath: return an error for unknown multicast GID

Signed-off-by: Robert Walsh <robert.walsh@qlogic.com>
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Cc: "Michael S. Tsirkin" <mst@mellanox.co.il>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/infiniband/hw/ipath/ipath_verbs_mcast.c b/drivers/infiniband/hw/ipath/ipath_verbs_mcast.c
index a97548ee6a97a097cdcc802997f27e9620ccc66c..996bbb05c3962ce9574e13afec90fa6e401e1b71 100644 (file)
--- a/drivers/infiniband/hw/ipath/ipath_verbs_mcast.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs_mcast.c
@@ -273,7 +273,7 @@ int ipath_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
        while (1) {
                if (n == NULL) {
                        spin_unlock_irqrestore(&mcast_lock, flags);
-                       ret = 0;
+                       ret = -EINVAL;
                        goto bail;
                }