diff mbox series

[RFC,net-next,v4,7/7] ice: make use of DEFINE_FLEX() in ice_switch.c

Message ID 20230904123107.116381-8-przemyslaw.kitszel@intel.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series introduce DEFINE_FLEX() macro | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1330 this patch: 1330
netdev/cc_maintainers warning 4 maintainers not CCed: edumazet@google.com pabeni@redhat.com jesse.brandeburg@intel.com davem@davemloft.net
netdev/build_clang success Errors and warnings before: 1353 this patch: 1353
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1353 this patch: 1353
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 148 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Przemek Kitszel Sept. 4, 2023, 12:31 p.m. UTC 
Use DEFINE_FLEX() macro for 1-elem flex array members of ice_switch.c

Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
---
add/remove: 2/2 grow/shrink: 3/6 up/down: 489/-470 (19)
---
 drivers/net/ethernet/intel/ice/ice_switch.c | 63 +++++----------------
 1 file changed, 14 insertions(+), 49 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c
index 2f77b684ff76..ee19f3aa3d19 100644
--- a/drivers/net/ethernet/intel/ice/ice_switch.c
+++ b/drivers/net/ethernet/intel/ice/ice_switch.c
@@ -1812,15 +1812,11 @@  ice_aq_alloc_free_vsi_list(struct ice_hw *hw, u16 *vsi_list_id,
 			   enum ice_sw_lkup_type lkup_type,
 			   enum ice_adminq_opc opc)
 {
-	struct ice_aqc_alloc_free_res_elem *sw_buf;
+	DEFINE_FLEX(struct ice_aqc_alloc_free_res_elem, sw_buf, elem, 1);
+	u16 buf_len = __struct_size(sw_buf);
 	struct ice_aqc_res_elem *vsi_ele;
-	u16 buf_len;
 	int status;
 
-	buf_len = struct_size(sw_buf, elem, 1);
-	sw_buf = devm_kzalloc(ice_hw_to_dev(hw), buf_len, GFP_KERNEL);
-	if (!sw_buf)
-		return -ENOMEM;
 	sw_buf->num_elems = cpu_to_le16(1);
 
 	if (lkup_type == ICE_SW_LKUP_MAC ||
@@ -1840,25 +1836,22 @@  ice_aq_alloc_free_vsi_list(struct ice_hw *hw, u16 *vsi_list_id,
 			sw_buf->res_type =
 				cpu_to_le16(ICE_AQC_RES_TYPE_VSI_LIST_PRUNE);
 	} else {
-		status = -EINVAL;
-		goto ice_aq_alloc_free_vsi_list_exit;
+		return -EINVAL;
 	}
 
 	if (opc == ice_aqc_opc_free_res)
 		sw_buf->elem[0].e.sw_resp = cpu_to_le16(*vsi_list_id);
 
 	status = ice_aq_alloc_free_res(hw, sw_buf, buf_len, opc);
 	if (status)
-		goto ice_aq_alloc_free_vsi_list_exit;
+		return status;
 
 	if (opc == ice_aqc_opc_alloc_res) {
 		vsi_ele = &sw_buf->elem[0];
 		*vsi_list_id = le16_to_cpu(vsi_ele->e.sw_resp);
 	}
 
-ice_aq_alloc_free_vsi_list_exit:
-	devm_kfree(ice_hw_to_dev(hw), sw_buf);
-	return status;
+	return 0;
 }
 
 /**
@@ -2088,24 +2081,18 @@  ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u8 *r_bitmap,
  */
 int ice_alloc_recipe(struct ice_hw *hw, u16 *rid)
 {
-	struct ice_aqc_alloc_free_res_elem *sw_buf;
-	u16 buf_len;
+	DEFINE_FLEX(struct ice_aqc_alloc_free_res_elem, sw_buf, elem, 1);
+	u16 buf_len = __struct_size(sw_buf);
 	int status;
 
-	buf_len = struct_size(sw_buf, elem, 1);
-	sw_buf = kzalloc(buf_len, GFP_KERNEL);
-	if (!sw_buf)
-		return -ENOMEM;
-
 	sw_buf->num_elems = cpu_to_le16(1);
 	sw_buf->res_type = cpu_to_le16((ICE_AQC_RES_TYPE_RECIPE <<
 					ICE_AQC_RES_TYPE_S) |
 					ICE_AQC_RES_TYPE_FLAG_SHARED);
 	status = ice_aq_alloc_free_res(hw, sw_buf, buf_len,
 				       ice_aqc_opc_alloc_res);
 	if (!status)
 		*rid = le16_to_cpu(sw_buf->elem[0].e.sw_resp);
-	kfree(sw_buf);
 
 	return status;
 }
@@ -4434,28 +4421,19 @@  int
 ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
 		   u16 *counter_id)
 {
-	struct ice_aqc_alloc_free_res_elem *buf;
-	u16 buf_len;
+	DEFINE_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
+	u16 buf_len = __struct_size(buf);
 	int status;
 
-	/* Allocate resource */
-	buf_len = struct_size(buf, elem, 1);
-	buf = kzalloc(buf_len, GFP_KERNEL);
-	if (!buf)
-		return -ENOMEM;
-
 	buf->num_elems = cpu_to_le16(num_items);
 	buf->res_type = cpu_to_le16(((type << ICE_AQC_RES_TYPE_S) &
 				      ICE_AQC_RES_TYPE_M) | alloc_shared);
 
 	status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_alloc_res);
 	if (status)
-		goto exit;
+		return status;
 
 	*counter_id = le16_to_cpu(buf->elem[0].e.sw_resp);
-
-exit:
-	kfree(buf);
 	return status;
 }
 
@@ -4471,26 +4449,19 @@  int
 ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
 		  u16 counter_id)
 {
-	struct ice_aqc_alloc_free_res_elem *buf;
-	u16 buf_len;
+	DEFINE_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
+	u16 buf_len = __struct_size(buf);
 	int status;
 
-	/* Free resource */
-	buf_len = struct_size(buf, elem, 1);
-	buf = kzalloc(buf_len, GFP_KERNEL);
-	if (!buf)
-		return -ENOMEM;
-
 	buf->num_elems = cpu_to_le16(num_items);
 	buf->res_type = cpu_to_le16(((type << ICE_AQC_RES_TYPE_S) &
 				      ICE_AQC_RES_TYPE_M) | alloc_shared);
 	buf->elem[0].e.sw_resp = cpu_to_le16(counter_id);
 
 	status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_free_res);
 	if (status)
 		ice_debug(hw, ICE_DBG_SW, "counter resource could not be freed\n");
 
-	kfree(buf);
 	return status;
 }
 
@@ -4508,15 +4479,10 @@  ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
  */
 int ice_share_res(struct ice_hw *hw, u16 type, u8 shared, u16 res_id)
 {
-	struct ice_aqc_alloc_free_res_elem *buf;
-	u16 buf_len;
+	DEFINE_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
+	u16 buf_len = __struct_size(buf);
 	int status;
 
-	buf_len = struct_size(buf, elem, 1);
-	buf = kzalloc(buf_len, GFP_KERNEL);
-	if (!buf)
-		return -ENOMEM;
-
 	buf->num_elems = cpu_to_le16(1);
 	if (shared)
 		buf->res_type = cpu_to_le16(((type << ICE_AQC_RES_TYPE_S) &
@@ -4534,7 +4500,6 @@  int ice_share_res(struct ice_hw *hw, u16 type, u8 shared, u16 res_id)
 		ice_debug(hw, ICE_DBG_SW, "Could not set resource type %u id %u to %s\n",
 			  type, res_id, shared ? "SHARED" : "DEDICATED");
 
-	kfree(buf);
 	return status;
 }