Commit 31b4b673 authored by Longlong Xia's avatar Longlong Xia Committed by Greg Kroah-Hartman
Browse files

driver core: add error handling for devtmpfs_create_node() 



In some cases, devtmpfs_create_node() can return error value.
So, make use of it.

Signed-off-by: default avatarLonglong Xia <xialonglong1@huawei.com>
Link: https://lore.kernel.org/r/20230210095444.4067307-2-xialonglong1@huawei.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ccfc901f

drivers/base/core.c

+5 −1
Original line number Diff line number Diff line
@@ -3602,7 +3602,9 @@ int device_add(struct device *dev) 
		if (error)

			goto SysEntryError;



		devtmpfs_create_node(dev);

		error = devtmpfs_create_node(dev);

		if (error)

			goto DevtmpfsError;

	}



	/* Notify clients of device addition.  This call must come
@@ -3658,6 +3660,8 @@ int device_add(struct device *dev) 
done:

	put_device(dev);

	return error;

 DevtmpfsError:

	device_remove_sys_dev_entry(dev);

 SysEntryError:

	if (MAJOR(dev->devt))

		device_remove_file(dev, &dev_attr_dev);