From patchwork series 484178

Fox Snowpatch · Fox Snowpatch · commit 9e15af649b39 · 2025-12-09T03:31:49.000Z
https://patchwork.ozlabs.org//project/linuxppc-dev/list/?series=484178
diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c
@@ -202,8 +202,12 @@ static ssize_t driver_override_show(struct device *dev,
 				    struct device_attribute *attr, char *buf)
 {
 	struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev);
+	ssize_t len;
 
-	return sysfs_emit(buf, "%s\n", mc_dev->driver_override);
+	device_lock(dev);
+	len = sysfs_emit(buf, "%s\n", mc_dev->driver_override);
+	device_unlock(dev);
+	return len;
 }
 static DEVICE_ATTR_RW(driver_override);
 

Original file line number	Diff line number	Diff line change
`@@ -202,8 +202,12 @@ static ssize_t driver_override_show(struct device *dev,`
`202`	`202`	`struct device_attribute attr, char buf)`
`203`	`203`	`{`
`204`	`204`	`struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev);`
	`205`	`+ ssize_t len;`
`205`	`206`
`206`		`- return sysfs_emit(buf, "%s\n", mc_dev->driver_override);`
	`207`	`+ device_lock(dev);`
	`208`	`+ len = sysfs_emit(buf, "%s\n", mc_dev->driver_override);`
	`209`	`+ device_unlock(dev);`
	`210`	`+ return len;`
`207`	`211`	`}`
`208`	`212`	`static DEVICE_ATTR_RW(driver_override);`
`209`	`213`