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udev: check existence of property before use

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This commit is contained in:
Yu Watanabe 2023-05-02 02:25:53 +09:00
parent b3bd6ccd1e
commit 874c408935
1 changed files with 12 additions and 6 deletions
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18
rules.d/60-persistent-storage-tape.rules
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@ -6,16 +6,22 @@ ACTION=="remove", GOTO="persistent_storage_tape_end"
ENV{UDEV_DISABLE_PERSISTENT_STORAGE_RULES_FLAG}=="1", GOTO="persistent_storage_tape_end"
# type 8 devices are "Medium Changers"
SUBSYSTEM=="scsi_generic", SUBSYSTEMS=="scsi", ATTRS{type}=="8", IMPORT{program}="scsi_id --sg-version=3 --export --allowlisted -d $devnode", \
SYMLINK+="tape/by-id/scsi-$env{ID_SERIAL} tape/by-id/scsi-$env{ID_SERIAL}-changer"
SUBSYSTEM=="scsi_generic", SUBSYSTEMS=="scsi", ATTRS{type}=="8", GOTO="medium_changer_begin"
GOTO="medium_changer_end"
LABEL="medium_changer_begin"
IMPORT{program}="scsi_id --sg-version=3 --export --allowlisted -d $devnode"
ENV{ID_SERIAL}=="?*", SYMLINK+="tape/by-id/scsi-$env{ID_SERIAL} tape/by-id/scsi-$env{ID_SERIAL}-changer"
# iSCSI devices from the same host have all the same ID_SERIAL,
# but additionally a property named ID_SCSI_SERIAL.
SUBSYSTEM=="scsi_generic", SUBSYSTEMS=="scsi", ATTRS{type}=="8", ENV{ID_SCSI_SERIAL}=="?*", \
SYMLINK+="tape/by-id/scsi-$env{ID_SCSI_SERIAL}"
ENV{ID_SCSI_SERIAL}=="?*", SYMLINK+="tape/by-id/scsi-$env{ID_SCSI_SERIAL}"
SUBSYSTEM=="scsi_generic", SUBSYSTEMS=="scsi", ATTRS{type}=="8", IMPORT{builtin}="path_id", \
SYMLINK+="tape/by-path/$env{ID_PATH}-changer"
IMPORT{builtin}="path_id"
ENV{ID_PATH}=="?*", SYMLINK+="tape/by-path/$env{ID_PATH}-changer"
LABEL="medium_changer_end"
SUBSYSTEM!="scsi_tape", GOTO="persistent_storage_tape_end"