diff mbox series

[net-next,v2,11/13] net: dsa: microchip: Use __free() to simplfy code

Message ID 20240828032343.1218749-12-ruanjinjie@huawei.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series net: Simplified with scoped function | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
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: 16 this patch: 16
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 9 of 9 maintainers
netdev/build_clang success Errors and warnings before: 16 this patch: 16
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: 16 this patch: 16
netdev/checkpatch warning WARNING: line length of 82 exceeds 80 columns
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest fail net-next-2024-08-28--12-00 (tests: 712)

Commit Message

Jinjie Ruan Aug. 28, 2024, 3:23 a.m. UTC 
Avoids the need for manual cleanup of_node_put() by using __free().

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
---
v2:
- Split into 2 patches.
---
 drivers/net/dsa/microchip/ksz_common.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

Comments

Jonathan Cameron Aug. 28, 2024, 12:50 p.m. UTC | #1 
On Wed, 28 Aug 2024 11:23:41 +0800
Jinjie Ruan <ruanjinjie@huawei.com> wrote:

> Avoids the need for manual cleanup of_node_put() by using __free().
> 
> Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
diff mbox series

Patch

diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index 86ed563938f6..8058a0b7c161 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -4595,7 +4595,6 @@  static int ksz_parse_drive_strength(struct ksz_device *dev)
 int ksz_switch_register(struct ksz_device *dev)
 {
 	const struct ksz_chip_data *info;
-	struct device_node *ports;
 	phy_interface_t interface;
 	unsigned int port_num;
 	int ret;
@@ -4677,7 +4676,8 @@  int ksz_switch_register(struct ksz_device *dev)
 		ret = of_get_phy_mode(dev->dev->of_node, &interface);
 		if (ret == 0)
 			dev->compat_interface = interface;
-		ports = of_get_child_by_name(dev->dev->of_node, "ethernet-ports");
+		struct device_node *ports __free(device_node) =
+			of_get_child_by_name(dev->dev->of_node, "ethernet-ports");
 		if (!ports)
 			ports = of_get_child_by_name(dev->dev->of_node, "ports");
 		if (ports) {
@@ -4685,16 +4685,13 @@  int ksz_switch_register(struct ksz_device *dev)
 				if (of_property_read_u32(port, "reg",
 							 &port_num))
 					continue;
-				if (!(dev->port_mask & BIT(port_num))) {
-					of_node_put(ports);
+				if (!(dev->port_mask & BIT(port_num)))
 					return -EINVAL;
-				}
 				of_get_phy_mode(port,
 						&dev->ports[port_num].interface);
 
 				ksz_parse_rgmii_delay(dev, port_num, port);
 			}
-			of_node_put(ports);
 		}
 		dev->synclko_125 = of_property_read_bool(dev->dev->of_node,
 							 "microchip,synclko-125");