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authorJack Morgenstein <jackm@mellanox.co.il>2006-03-20 17:32:43 +0200
committerRoland Dreier <rolandd@cisco.com>2006-03-24 15:47:28 -0800
commitd4301e2c6685c87206f24f54969120b182119ab0 (patch)
tree64cd469cae71b04ec426ee2b14289a53bb9c9f9f /drivers
parentded9ad721d220d47989177076a181ae1f1b93af5 (diff)
downloadop-kernel-dev-d4301e2c6685c87206f24f54969120b182119ab0.zip
op-kernel-dev-d4301e2c6685c87206f24f54969120b182119ab0.tar.gz
IB/mthca: Check SRQ limit in modify SRQ operation
When setting the shared receive queue (SRQ) watermark in a modify SRQ operation, make sure that the supplied value is not larger than the full size of the SRQ. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_srq.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_srq.c b/drivers/infiniband/hw/mthca/mthca_srq.c
index 4e671e0..0cfd158 100644
--- a/drivers/infiniband/hw/mthca/mthca_srq.c
+++ b/drivers/infiniband/hw/mthca/mthca_srq.c
@@ -358,6 +358,8 @@ int mthca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
return -EINVAL;
if (attr_mask & IB_SRQ_LIMIT) {
+ if (attr->srq_limit > srq->max)
+ return -EINVAL;
ret = mthca_ARM_SRQ(dev, srq->srqn, attr->srq_limit, &status);
if (ret)
return ret;
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