[PATCH] incorrectly placed sysfs_init() call in udevtest

[Alex Merry <alexander.merry@ccc.ox.ac.uk>]

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The udevtest documentation doesn't make this explicitly clear, but
udevtest should treat device paths in the same way as udevinfo: it
should strip the leading /sys (or whatever sysfs_path is) if given. In
fact, there is code in udevtest.c designed to do just this.

However, sysfs_init() is called _after_ this code, which uses
sysfs_path. So, at the time it checks whether sysfs_path is at the front
of the device path, sysfs_path is an empty string. As a result, the
command
  udevtest /sys/block/hda
fails with the message
  main: unable to open '/sys/block/hda'
while
  udevtest /block/hda
produces the expected output (assuming you have at least one ide drive).

The attached patch moves sysfs_init() to the same place as udev_init(),
and before the code that uses sysfs_path.

Diff against udev-097.

Alex :-)

-- 
Pippin
Computer Monkey to the Pelican
www.oxrev.org.uk, www.corpusjcr.org, www.rev.org.uk

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diff -urw udev-097.orig/udevtest.c udev-097/udevtest.c
--- udev-097.orig/udevtest.c	2006-08-17 12:01:45.000000000 +0100
+++ udev-097/udevtest.c	2006-08-17 12:02:09.000000000 +0100
@@ -64,6 +64,7 @@
 	udev_config_init();
 	if (udev_log_priority < LOG_INFO)
 		udev_log_priority = LOG_INFO;
+	sysfs_init();
 
 	if (argc != 2) {
 		info("Usage: udevtest <devpath>");
@@ -82,7 +83,6 @@
 		} else
 			devpath = argv[1];
 
-	sysfs_init();
 	udev_rules_init(&rules, 0);
 
 	dev = sysfs_device_get(devpath);

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