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authorYu Watanabe <watanabe.yu+github@gmail.com>2023-04-25 19:09:55 +0900
committerYu Watanabe <watanabe.yu+github@gmail.com>2023-04-26 09:51:08 +0900
commit2b43ab00b08a052fc0077dd20f111c474730ad52 (patch)
treefdd9c845016d42c1b396b26e821407e75bdfe8ea /man
parent9203abf79f1d05fdef9b039e7addf9fc5a27752d (diff)
downloadsystemd-2b43ab00b08a052fc0077dd20f111c474730ad52.tar.gz
udev-rules: fix negative match rule for SYMLINK and TAG
Fixes #27396.
Diffstat (limited to 'man')
-rw-r--r--man/udev.xml15
1 files changed, 9 insertions, 6 deletions
diff --git a/man/udev.xml b/man/udev.xml
index 142f295f3e..332c7ac096 100644
--- a/man/udev.xml
+++ b/man/udev.xml
@@ -186,10 +186,10 @@
<varlistentry>
<term><varname>SYMLINK</varname></term>
<listitem>
- <para>Match the name of a symlink targeting the node. It can
- be used once a SYMLINK key has been set in one of the preceding
- rules. There may be multiple symlinks; only one needs to match.
- </para>
+ <para>Match the name of a symlink targeting the node. It can be used once a SYMLINK key has
+ been set in one of the preceding rules. There may be multiple symlinks; only one needs to
+ match. If the operator is <literal>!=</literal>, the token returns true only if there is no
+ symlink matched.</para>
</listitem>
</varlistentry>
@@ -287,14 +287,17 @@
<varlistentry>
<term><varname>TAG</varname></term>
<listitem>
- <para>Match against a device tag.</para>
+ <para>Match against one of device tags. It can be used once a TAG key has been set in one of
+ the preceding rules. There may be multiple tags; only one needs to match. If the operator is
+ <literal>!=</literal>, the token returns true only if there is no tag matched.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>TAGS</varname></term>
<listitem>
- <para>Search the devpath upwards for a device with matching tag.</para>
+ <para>Search the devpath upwards for a device with matching tag. If the operator is
+ <literal>!=</literal>, the token returns true only if there is no tag matched.</para>
</listitem>
</varlistentry>