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udev: add safe guard for setting by-id symlink

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The ID_BUS property is necessary for creating by-id symlinks.
This commit is contained in:
Yu Watanabe 2022-11-03 09:52:23 +09:00
parent b2e53f5a0f
commit 5286da064c
1 changed files with 1 additions and 0 deletions
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rules.d/60-serial.rules
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@ -17,6 +17,7 @@ IMPORT{builtin}="path_id"
ENV{ID_PATH}=="?*", ENV{.ID_PORT}=="", SYMLINK+="serial/by-path/$env{ID_PATH}"
ENV{ID_PATH}=="?*", ENV{.ID_PORT}=="?*", SYMLINK+="serial/by-path/$env{ID_PATH}-port$env{.ID_PORT}"
ENV{ID_BUS}=="", GOTO="serial_end"
ENV{ID_SERIAL}=="", GOTO="serial_end"
ENV{ID_USB_INTERFACE_NUM}=="", GOTO="serial_end"
ENV{.ID_PORT}=="", SYMLINK+="serial/by-id/$env{ID_BUS}-$env{ID_SERIAL}-if$env{ID_USB_INTERFACE_NUM}"