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From 5f34ea55a8c6723240eb1641a655db7df3c428a2 Mon Sep 17 00:00:00 2001
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From: Martin Wilck <mwilck@suse.com>
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Date: Tue, 24 Apr 2018 09:38:26 +0200
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Subject: [PATCH] test/udev-test.pl: use computed devnode name
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More often than not, the created devnode is the basename of the
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sysfs entry. The "devnode" device may be used to override the
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auto-detected node name.
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Permissions and major/minor number are now verified on the devnode
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itself, not on symlinks.
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For those tests where exp_name is set to the computed devnode name,
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the explicit "exp_name" can be removed. "exp_name" is only required for
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symlinks.
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This allows separate testing for devnodes and symlinks an a follow-up
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patch.
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(cherry picked from commit f0dccf01a7b4e72278e14effd74782ea83d0a73b)
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Related: #1642728
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---
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test/udev-test.pl | 92 +++++++++++++++++++++++++++++++++--------------
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1 file changed, 66 insertions(+), 26 deletions(-)
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diff --git a/test/udev-test.pl b/test/udev-test.pl
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index db25ef13c1..aa9a8dc2ff 100755
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--- a/test/udev-test.pl
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+++ b/test/udev-test.pl
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@@ -55,12 +55,10 @@ my @tests = (
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devices => [
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{
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devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda",
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- exp_name => "sda" ,
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exp_rem_error => "yes",
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},
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{
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devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1",
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- exp_name => "sda1" ,
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exp_rem_error => "yes",
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}],
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rules => <
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@@ -644,6 +642,7 @@ EOF
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devices => [
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{
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devpath => "/devices/virtual/block/fake!blockdev0",
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+ devnode => "fake/blockdev0",
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exp_name => "is/a/fake/blockdev0" ,
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}],
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rules => <
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@@ -657,7 +656,7 @@ EOF
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devices => [
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{
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devpath => "/devices/virtual/block/fake!blockdev0",
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- exp_name => "fake/blockdev0" ,
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+ devnode => "fake/blockdev0",
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exp_rem_error => "yes",
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}],
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rules => <
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@@ -768,7 +767,6 @@ EOF
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devices => [
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{
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devpath => "/devices/virtual/tty/tty33",
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- exp_name => "tty33",
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exp_perms => "0:0:0600",
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}],
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rules => <
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@@ -864,7 +862,6 @@ EOF
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devices => [
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{
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devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0",
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- exp_name => "ttyACM0",
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exp_perms => "1::",
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}],
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rules => <
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@@ -876,7 +873,6 @@ EOF
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devices => [
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{
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devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0",
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- exp_name => "ttyACM0",
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exp_perms => ":1:0660",
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}],
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rules => <
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@@ -888,7 +884,6 @@ EOF
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devices => [
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{
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devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0",
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- exp_name => "ttyACM0",
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exp_perms => "::0060",
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}],
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rules => <
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@@ -900,7 +895,6 @@ EOF
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devices => [
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{
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devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0",
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- exp_name => "ttyACM0",
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exp_perms => "1:1:0777",
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}],
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rules => <
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@@ -912,7 +906,6 @@ EOF
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devices => [
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{
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devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0",
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- exp_name => "ttyACM0",
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exp_perms => "1:1:0777",
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}],
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rules => <
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@@ -926,7 +919,6 @@ EOF
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devices => [
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{
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devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0",
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- exp_name => "ttyACM0",
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exp_perms => "1:1:0777",
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}],
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rules => <
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@@ -942,7 +934,6 @@ EOF
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devices => [
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{
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devpath => "/devices/pci0000:00/0000:00:1d.7/usb5/5-2/5-2:1.0/tty/ttyACM0",
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- exp_name => "ttyACM0",
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exp_perms => "1:2:0777",
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}],
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rules => <
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@@ -1922,7 +1913,6 @@ EOF
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devices => [
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{
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devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda",
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- exp_name => "sda",
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exp_perms => "0:0:0000",
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exp_rem_error => "yes",
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}],
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@@ -1935,7 +1925,6 @@ EOF
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devices => [
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{
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devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda",
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- exp_name => "sda",
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exp_perms => "1:1:0400",
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exp_rem_error => "yes",
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}],
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@@ -1949,7 +1938,6 @@ EOF
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devices => [
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{
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devpath => "/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda",
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- exp_name => "sda",
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exp_perms => "0:0:0440",
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exp_rem_error => "yes",
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}],
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@@ -2203,6 +2191,44 @@ sub udev_setup {
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return 1;
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}
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+sub get_devnode {
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+ my ($device) = @_;
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+ my $devnode;
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+
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+ if (defined($device->{devnode})) {
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+ $devnode = "$udev_dev/$device->{devnode}";
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+ } else {
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+ $devnode = "$device->{devpath}";
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+ $devnode =~ s!.*/!$udev_dev/!;
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+ }
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+ return $devnode;
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+}
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+
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+sub check_devnode {
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+ my ($device) = @_;
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+ my $devnode = get_devnode($device);
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+
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+ my @st = lstat("$devnode");
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+ if (! (-b _ || -c _)) {
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+ print "add $devnode: error\n";
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+ system("tree", "$udev_dev");
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+ $error++;
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+ return undef;
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+ }
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+
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+ my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size,
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+ $atime, $mtime, $ctime, $blksize, $blocks) = @st;
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+
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+ if (defined($device->{exp_perms})) {
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+ permissions_test($device, $uid, $gid, $mode);
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+ }
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+ if (defined($device->{exp_majorminor})) {
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+ major_minor_test($device, $rdev);
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+ }
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+ print "add $devnode: ok\n";
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+ return $devnode;
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+}
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+
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sub check_add {
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my ($device) = @_;
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@@ -2215,19 +2241,13 @@ sub check_add {
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}
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}
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+ my $devnode = check_devnode($device);
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+
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print "device \'$device->{devpath}\' expecting node/link \'$device->{exp_name}\'\n";
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+ return if (!defined($device->{exp_name}));
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+
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if ((-e "$udev_dev/$device->{exp_name}") ||
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(-l "$udev_dev/$device->{exp_name}")) {
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-
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- my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size,
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- $atime, $mtime, $ctime, $blksize, $blocks) = stat("$udev_dev/$device->{exp_name}");
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-
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- if (defined($device->{exp_perms})) {
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- permissions_test($device, $uid, $gid, $mode);
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- }
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- if (defined($device->{exp_majorminor})) {
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- major_minor_test($device, $rdev);
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- }
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print "add $device->{devpath}: ok\n";
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} else {
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print "add $device->{devpath}: error";
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@@ -2243,12 +2263,32 @@ sub check_add {
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}
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}
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+sub check_remove_devnode {
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+ my ($device) = @_;
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+ my $devnode = get_devnode($device);
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+
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+ if (-e "$devnode") {
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+ print "remove $devnode: error";
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+ print "\n";
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+ system("tree", "$udev_dev");
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+ print "\n";
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+ $error++;
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+ sleep(1);
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+ } else {
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+ print "remove $devnode: ok\n";
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+ }
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+}
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+
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sub check_remove {
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my ($device) = @_;
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+ check_remove_devnode($device);
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+
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+ return if (!defined($device->{exp_name}));
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+
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if ((-e "$udev_dev/$device->{exp_name}") ||
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(-l "$udev_dev/$device->{exp_name}")) {
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- print "remove $device->{devpath}: error";
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+ print "remove $device->{exp_name}: error";
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if ($device->{exp_rem_error}) {
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print " as expected\n";
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} else {
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@@ -2259,7 +2299,7 @@ sub check_remove {
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sleep(1);
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}
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} else {
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- print "remove $device->{devpath}: ok\n";
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+ print "remove $device->{exp_name}: ok\n";
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}
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}
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