More often than not, the created devnode is the basename of the sysfs entry. The "devnode" device may be used to override the auto-detected node name. Permissions and major/minor number are now verified on the devnode itself, not on symlinks. For those tests where exp_name is set to the computed devnode name, the explicit "exp_name" can be removed. "exp_name" is only required for symlinks. This allows separate testing for devnodes and symlinks an a follow-up patch.
System and Service Manager
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