Merge branch 'master'

2 files changed, 5 insertions, 3 deletions

diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c
index d0f7731802c9..deabc14b4ea4 100644
--- a/drivers/infiniband/hw/mthca/mthca_cmd.c
+++ b/drivers/infiniband/hw/mthca/mthca_cmd.c
@@ -778,11 +778,12 @@ int mthca_QUERY_FW(struct mthca_dev *dev, u8 *status)
                 ((dev->fw_ver & 0xffff0000ull) >> 16) |
                 ((dev->fw_ver & 0x0000ffffull) << 16);
 
+        MTHCA_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
+        dev->cmd.max_cmds = 1 << lg;
+
         mthca_dbg(dev, "FW version %012llx, max commands %d\n",
                   (unsigned long long) dev->fw_ver, dev->cmd.max_cmds);
 
-        MTHCA_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET);
-        dev->cmd.max_cmds = 1 << lg;
         MTHCA_GET(dev->catas_err.addr, outbox, QUERY_FW_ERR_START_OFFSET);
         MTHCA_GET(dev->catas_err.size, outbox, QUERY_FW_ERR_SIZE_OFFSET);
 
diff --git a/drivers/infiniband/hw/mthca/mthca_srq.c b/drivers/infiniband/hw/mthca/mthca_srq.c
index fab417c5cf43..b60a9d79ae54 100644
--- a/drivers/infiniband/hw/mthca/mthca_srq.c
+++ b/drivers/infiniband/hw/mthca/mthca_srq.c
@@ -370,7 +370,8 @@ 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)
+                u32 max_wr = mthca_is_memfree(dev) ? srq->max - 1 : srq->max;
+                if (attr->srq_limit > max_wr)
                         return -EINVAL;
 
                 mutex_lock(&srq->mutex);