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driver core: add error handling for devtmpfs_create_node()

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

Signed-off-by: Longlong Xia <xialonglong1@huawei.com>
Link: https://lore.kernel.org/r/20230210095444.4067307-2-xialonglong1@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Longlong Xia 2023-02-10 09:54:42 +00:00 committed by Greg Kroah-Hartman
parent ccfc901f01
commit 31b4b6730f
1 changed files with 5 additions and 1 deletions
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6
drivers/base/core.c
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@ -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);