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authorBryan O'Sullivan <bos@pathscale.com>2006-07-01 04:36:06 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-01 09:56:00 -0700
commit4faba98a1a11a6129cbcc772422c9ffc0c11dd2e (patch)
tree7222224fdc3d7c4708cf48624263c92151f120e0 /drivers/infiniband/hw/ipath
parent57abad25f844e760082c0b1ab2b176dad682ea16 (diff)
[PATCH] IB/ipath: disallow send of invalid packet sizes over UD
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>
Diffstat (limited to 'drivers/infiniband/hw/ipath')
-rw-r--r--drivers/infiniband/hw/ipath/ipath_ud.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_ud.c b/drivers/infiniband/hw/ipath/ipath_ud.c
index eeff19800db7..3b6d00b9b8be 100644
--- a/drivers/infiniband/hw/ipath/ipath_ud.c
+++ b/drivers/infiniband/hw/ipath/ipath_ud.c
@@ -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;