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5dc39e87e7
Some environments do not expose the /sys/firmware/reipl/*/clear attribute
(e.g. z/VM guests without "Load Normal" support). lsreipl currently tries to
read the attribute unconditionally for ECKD re-IPL and emits a confusing
"Could not read file .../clear" error when it is missing.
Re-IPL type: eckd
Device: 0.0.6d74
bootprog: 0
br_chr: auto
Bootparm: ""
Loadparm: ""
Could not read file /sys/firmware/reipl/eckd/clear: No such file or directory
clear: (null)
Secure boot: 0
Only print the "clear" field when the corresponding sysfs attribute is
present, avoiding the spurious error output.
Fixes: 7c24855ba1 ("ipl_tools: add support for list-directed IPL from ECKD DASD")
Reviewed-by: Jan Polensky <japo@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>