[PATCH 6 of 53] ipath - forbid creation of AH with DLID of 0

[Bryan O'Sullivan]

Don't allow an AH to be created with a DLID of 0.

Signed-off-by: Bryan O'Sullivan <bos@xxxxxxxxxxxxx>

diff -r db56c0ab6a64 -r def81ab50644 drivers/infiniband/hw/ipath/ipath_verbs.c
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c	Fri May 12 15:55:27 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c	Fri May 12 15:55:27 2006 -0700
@@ -810,6 +810,11 @@ static struct ib_ah *ipath_create_ah(str
 	if (ah_attr->dlid >= IPS_MULTICAST_LID_BASE &&
 	    ah_attr->dlid != IPS_PERMISSIVE_LID &&
 	    !(ah_attr->ah_flags & IB_AH_GRH)) {
+		ret = ERR_PTR(-EINVAL);
+		goto bail;
+	}
+
+	if (ah_attr->dlid == 0) {
 		ret = ERR_PTR(-EINVAL);
 		goto bail;
 	}
-
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