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Diffstat (limited to 'drivers/base/platform.c')
-rw-r--r--drivers/base/platform.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index f0f8cfcc3621..88aef93eb4dd 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -1023,10 +1023,10 @@ EXPORT_SYMBOL_GPL(platform_unregister_drivers);
* (b) sysfs attribute lets new-style coldplug recover from hotplug events
* mishandled before system is fully running: "modprobe $(cat modalias)"
*/
-static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
- char *buf)
+static ssize_t modalias_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- struct platform_device *pdev = to_platform_device(dev);
+ struct platform_device *pdev = to_platform_device(dev);
int len;
len = of_device_modalias(dev, buf, PAGE_SIZE);
@@ -1037,9 +1037,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
if (len != -ENODEV)
return len;
- len = snprintf(buf, PAGE_SIZE, "platform:%s\n", pdev->name);
-
- return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
+ return sysfs_emit(buf, "platform:%s\n", pdev->name);
}
static DEVICE_ATTR_RO(modalias);
@@ -1086,12 +1084,13 @@ static ssize_t driver_override_show(struct device *dev,
device_lock(dev);
len = sysfs_emit(buf, "%s\n", pdev->driver_override);
device_unlock(dev);
+
return len;
}
static DEVICE_ATTR_RW(driver_override);
static ssize_t numa_node_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+ struct device_attribute *attr, char *buf)
{
return sysfs_emit(buf, "%d\n", dev_to_node(dev));
}