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s390/smp: convert cpuhp_setup_state() return code to zero on success 

cpuhp_setup_state() returns a state number on CPUHP_AP_ONLINE_DYN if
no error occurred. Therefore convert the return code to zero before
using it as exit code for s390_smp_init().

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2017-08-14 07:54:32 +02:00 committed by Martin Schwidefsky
parent 673cfddf6e
commit e1108e8f0d
1 changed files with 1 additions and 0 deletions
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arch/s390/kernel/smp.c
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@ -1181,6 +1181,7 @@ static int __init s390_smp_init(void)
rc = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "s390/smp:online",
smp_cpu_online, smp_cpu_pre_down);
rc = rc <= 0 ? rc : 0;
out:
return rc;
}