Don't allow an AH to be created with a DLID of 0.
Signed-off-by: Bryan O'Sullivan <[email protected]>
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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