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D6252.diff
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Index: head/sys/kern/bus_if.m
===================================================================
--- head/sys/kern/bus_if.m
+++ head/sys/kern/bus_if.m
@@ -532,6 +532,13 @@
*
* Return it as a string. If the string is insufficient for the
* storage, then return EOVERFLOW.
+ *
+ * The string must be formatted as a space-separated list of
+ * name=value pairs. Names may only contain alphanumeric characters,
+ * underscores ('_') and hyphens ('-'). Values can contain any
+ * non-whitespace characters. Values containing whitespace can be
+ * quoted with double quotes ('"'). Double quotes and backslashes in
+ * quoted values can be escaped with backslashes ('\').
*
* @param _dev the parent device of @p _child
* @param _child the device which is being examined
@@ -551,7 +558,14 @@
*
* Return it as a string. If the string is insufficient for the
* storage, then return EOVERFLOW.
- *
+ *
+ * The string must be formatted as a space-separated list of
+ * name=value pairs. Names may only contain alphanumeric characters,
+ * underscores ('_') and hyphens ('-'). Values can contain any
+ * non-whitespace characters. Values containing whitespace can be
+ * quoted with double quotes ('"'). Double quotes and backslashes in
+ * quoted values can be escaped with backslashes ('\').
+ *
* @param _dev the parent device of @p _child
* @param _child the device which is being examined
* @param _buf the address of a buffer to receive the location
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D6252: Document the formatting requirements of location of pnpinfo strings.
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