70 lines
2.0 KiB
Diff
70 lines
2.0 KiB
Diff
From 28a6a2ef18ad840a390d519840c303b03040961c Mon Sep 17 00:00:00 2001
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From: Andrew Lunn <andrew@lunn.ch>
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Date: Mon, 29 May 2023 18:32:34 +0200
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Subject: [PATCH 04/13] leds: trigger: netdev: refactor code setting device
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name
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Move the code into a helper, ready for it to be called at
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other times. No intended behaviour change.
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Signed-off-by: Andrew Lunn <andrew@lunn.ch>
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Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/leds/trigger/ledtrig-netdev.c | 29 ++++++++++++++++++---------
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1 file changed, 20 insertions(+), 9 deletions(-)
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--- a/drivers/leds/trigger/ledtrig-netdev.c
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+++ b/drivers/leds/trigger/ledtrig-netdev.c
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@@ -104,15 +104,9 @@ static ssize_t device_name_show(struct d
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return len;
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}
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-static ssize_t device_name_store(struct device *dev,
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- struct device_attribute *attr, const char *buf,
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- size_t size)
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+static int set_device_name(struct led_netdev_data *trigger_data,
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+ const char *name, size_t size)
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{
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- struct led_netdev_data *trigger_data = led_trigger_get_drvdata(dev);
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-
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- if (size >= IFNAMSIZ)
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- return -EINVAL;
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-
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cancel_delayed_work_sync(&trigger_data->work);
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mutex_lock(&trigger_data->lock);
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@@ -122,7 +116,7 @@ static ssize_t device_name_store(struct
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trigger_data->net_dev = NULL;
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}
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- memcpy(trigger_data->device_name, buf, size);
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+ memcpy(trigger_data->device_name, name, size);
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trigger_data->device_name[size] = 0;
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if (size > 0 && trigger_data->device_name[size - 1] == '\n')
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trigger_data->device_name[size - 1] = 0;
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@@ -140,6 +134,23 @@ static ssize_t device_name_store(struct
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set_baseline_state(trigger_data);
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mutex_unlock(&trigger_data->lock);
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+ return 0;
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+}
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+
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+static ssize_t device_name_store(struct device *dev,
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+ struct device_attribute *attr, const char *buf,
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+ size_t size)
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+{
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+ struct led_netdev_data *trigger_data = led_trigger_get_drvdata(dev);
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+ int ret;
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+
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+ if (size >= IFNAMSIZ)
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+ return -EINVAL;
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+
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+ ret = set_device_name(trigger_data, buf, size);
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+
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+ if (ret < 0)
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+ return ret;
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return size;
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}
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