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udev(7) manpage: Fix description of $attr
Fix the manpage to describe the real behaviour of $attr: It doesn't search all parent devices any more, just the one selected by KERNELS etc. https://launchpad.net/bugs/348513
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@ -578,8 +578,9 @@
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<listitem>
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<para>The value of a sysfs attribute found at the device, where
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all keys of the rule have matched. If the matching device does not have
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such an attribute, follow the chain of parent devices and use the value
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of the first attribute that matches.
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such an attribute, and a previous KERNELS, SUBSYSTEMS, DRIVERS, or
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ATTRS test selected a parent device, use the attribute from that
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parent device.
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If the attribute is a symlink, the last element of the symlink target is
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returned as the value.</para>
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</listitem>
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