[PATCH net-next v5 6/7] ice: make use of DEFINE_FLEX() for struct ice_aqc_dis_txq_item

Przemek Kitszel
2023-09-12T12:04:10Z

Use DEFINE_FLEX() macro for 1-elem flex array use case
of struct ice_aqc_dis_txq_item.

Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
---
add/remove: 0/0 grow/shrink: 1/1 up/down: 9/-18 (-9)
---
drivers/net/ethernet/intel/ice/ice_common.c | 20 ++++----------------
1 file changed, 4 insertions(+), 16 deletions(-)

diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c
index 80deca45ab59..068079ab5e23 100644
--- a/drivers/net/ethernet/intel/ice/ice_common.c
+++ b/drivers/net/ethernet/intel/ice/ice_common.c
@@ -4726,11 +4726,11 @@ ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues,
enum ice_disq_rst_src rst_src, u16 vmvf_num,
struct ice_sq_cd *cd)
{
- struct ice_aqc_dis_txq_item *qg_list;
+ DEFINE_FLEX(struct ice_aqc_dis_txq_item, qg_list, q_id, 1);
+ u16 i, buf_size = __struct_size(qg_list);
struct ice_q_ctx *q_ctx;
int status = -ENOENT;
struct ice_hw *hw;
- u16 i, buf_size;

if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
return -EIO;
@@ -4748,11 +4748,6 @@ ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues,
return -EIO;
}

- buf_size = struct_size(qg_list, q_id, 1);
- qg_list = kzalloc(buf_size, GFP_KERNEL);
- if (!qg_list)
- return -ENOMEM;
-
mutex_lock(&pi->sched_lock);

for (i = 0; i < num_queues; i++) {
@@ -4785,7 +4780,6 @@ ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues,
q_ctx->q_teid = ICE_INVAL_TEID;
}
mutex_unlock(&pi->sched_lock);
- kfree(qg_list);
return status;
}

@@ -4954,22 +4948,17 @@ int
ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid,
u16 *q_id)
{
- struct ice_aqc_dis_txq_item *qg_list;
+ DEFINE_FLEX(struct ice_aqc_dis_txq_item, qg_list, q_id, 1);
+ u16 qg_size = __struct_size(qg_list);
struct ice_hw *hw;
int status = 0;
- u16 qg_size;
int i;

if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
return -EIO;

hw = pi->hw;

- qg_size = struct_size(qg_list, q_id, 1);
- qg_list = kzalloc(qg_size, GFP_KERNEL);
- if (!qg_list)
- return -ENOMEM;
-
mutex_lock(&pi->sched_lock);

for (i = 0; i < count; i++) {
@@ -4994,7 +4983,6 @@ ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid,
}

mutex_unlock(&pi->sched_lock);
- kfree(qg_list);
return status;
}

--
2.40.1