* [PATCH] parisc: Check return value of smp_boot_one_cpu()
@ 2016-09-20 15:29 Helge Deller
0 siblings, 0 replies; only message in thread
From: Helge Deller @ 2016-09-20 15:29 UTC (permalink / raw)
To: linux-parisc, James Bottomley, John David Anglin
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>
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index c2a9cc5..75dab28 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -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;
}
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2016-09-20 15:29 [PATCH] parisc: Check return value of smp_boot_one_cpu() Helge Deller
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