IB/mthca: Check SRQ limit in modify SRQ operation

[cascardo/linux.git] / drivers / infiniband / hw / mthca / mthca_srq.c

diff --git a/drivers/infiniband/hw/mthca/mthca_srq.c b/drivers/infiniband/hw/mthca/mthca_srq.c
index 4e671e0..0cfd158 100644 (file)
--- 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;