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authorSantosh Sivaraj <santosh@fossix.org>2017-06-27 12:30:05 +0530
committerMichael Ellerman <mpe@ellerman.id.au>2017-06-28 13:08:16 +1000
commitf8d0d5dc641cd405ad40cb2498b04df9716baee6 (patch)
tree4a3577149617c81530a5527e37414bf6017d9188 /arch/powerpc/kernel/smp.c
parentadeb8667eaf5f00b5a7f0cede680cda078e8424b (diff)
powerpc/smp: Do not BUG_ON if invalid CPU during kick
During secondary start, we do not need to BUG_ON if an invalid CPU number is passed. We already print an error if secondary cannot be started, so just return an error instead. Signed-off-by: Santosh Sivaraj <santosh@fossix.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/smp.c')
-rw-r--r--arch/powerpc/kernel/smp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index df2a41647d8e..05bf5836107c 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -112,7 +112,8 @@ int smp_generic_cpu_bootable(unsigned int nr)
#ifdef CONFIG_PPC64
int smp_generic_kick_cpu(int nr)
{
- BUG_ON(nr < 0 || nr >= NR_CPUS);
+ if (nr < 0 || nr >= NR_CPUS)
+ return -EINVAL;
/*
* The processor is currently spinning, waiting for the