[PATCH 23 of 39] IB/ipath - disallow send of invalid packet sizes over UD

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Signed-off-by: Ralph Campbell <[email protected]>
Signed-off-by: Bryan O'Sullivan <[email protected]>

diff -r 811021b6c112 -r 8e39364c2402 drivers/infiniband/hw/ipath/ipath_ud.c
--- a/drivers/infiniband/hw/ipath/ipath_ud.c	Thu Jun 29 14:33:26 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_ud.c	Thu Jun 29 14:33:26 2006 -0700
@@ -274,6 +274,11 @@ int ipath_post_ud_send(struct ipath_qp *
 		}
 		len += wr->sg_list[i].length;
 		ss.num_sge++;
+	}
+	/* Check for invalid packet size. */
+	if (len > ipath_layer_get_ibmtu(dev->dd)) {
+		ret = -EINVAL;
+		goto bail;
 	}
 	extra_bytes = (4 - len) & 3;
 	nwords = (len + extra_bytes) >> 2;
-
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