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: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>
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