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authorLeon Romanovsky <leonro@mellanox.com>2017-08-17 14:50:54 +0200
committerDoug Ledford <dledford@redhat.com>2017-08-24 22:44:48 +0200
commit17bf1ad2e80db7c9bdafec9c2da72389247194e9 (patch)
tree451c9c4f6941369beb9d852dfa4c95b26fc27072 /drivers/infiniband/hw/mlx4/qp.c
parentRDMA/mlx5: Limit scope of get vector affinity local function (diff)
downloadlinux-17bf1ad2e80db7c9bdafec9c2da72389247194e9.tar.xz
linux-17bf1ad2e80db7c9bdafec9c2da72389247194e9.zip
RDMA/mlx4: Properly annotate link layer variable
The rdma_port_get_link_layer() returns enum rdma_link_layer as a return value, hence it is better to store the return value in specially annotated variable and not in int. Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to '')
-rw-r--r--drivers/infiniband/hw/mlx4/qp.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 1ac148ddb250..2747abde2ea8 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -2725,19 +2725,17 @@ enum {
static int _mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
int attr_mask, struct ib_udata *udata)
{
+ enum rdma_link_layer ll = IB_LINK_LAYER_UNSPECIFIED;
struct mlx4_ib_dev *dev = to_mdev(ibqp->device);
struct mlx4_ib_qp *qp = to_mqp(ibqp);
enum ib_qp_state cur_state, new_state;
int err = -EINVAL;
- int ll;
mutex_lock(&qp->mutex);
cur_state = attr_mask & IB_QP_CUR_STATE ? attr->cur_qp_state : qp->state;
new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state;
- if (cur_state == new_state && cur_state == IB_QPS_RESET) {
- ll = IB_LINK_LAYER_UNSPECIFIED;
- } else {
+ if (cur_state != new_state || cur_state != IB_QPS_RESET) {
int port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port;
ll = rdma_port_get_link_layer(&dev->ib_dev, port);
}