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parisc: Check return value of smp_boot_one_cpu()

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Check return value of smp_boot_one_cpu() whether CPU could be brought up.

Reported-by: John David Anglin <dave.anglin@bell.net>
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Helge Deller 2016-09-20 17:29:32 +02:00
parent b5d5cf2b8a
commit 5baf919dd7
1 changed files with 2 additions and 2 deletions
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4
arch/parisc/kernel/smp.c
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@ -412,8 +412,8 @@ void smp_cpus_done(unsigned int cpu_max)
int __cpu_up(unsigned int cpu, struct task_struct *tidle)
{
if (cpu != 0 && cpu < parisc_max_cpus)
smp_boot_one_cpu(cpu, tidle);
if (cpu != 0 && cpu < parisc_max_cpus && smp_boot_one_cpu(cpu, tidle))
return -ENOSYS;
return cpu_online(cpu) ? 0 : -ENOSYS;
}