s390/sclp: always stay within bounds of the early sccb

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Make sure the _sclp_print_lm function stays within bounds of the early
sccb, even if the passed string is very long.  If the string is too
long, the remaining characters will be dropped.

Suggested-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Heiko Carstens 2017-01-11 11:07:39 +01:00 • committed by Martin Schwidefsky

parent 742dc5773c

commit f031974859

1 changed files with 6 additions and 1 deletions

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arch/s390/kernel/sclp.c

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