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[PATCH] IB/ipath: disallow send of invalid packet sizes over UD

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Signed-off-by: Ralph Campbell <ralph.campbell@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>
This commit is contained in:
Bryan O'Sullivan 2006-07-01 04:36:06 -07:00 committed by Linus Torvalds
parent 57abad25f8
commit 4faba98a1a
1 changed files with 5 additions and 0 deletions
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5
drivers/infiniband/hw/ipath/ipath_ud.c
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@ -275,6 +275,11 @@ int ipath_post_ud_send(struct ipath_qp *qp, struct ib_send_wr *wr)
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;