[SCSI] mpt2sas: Fix unsafe using smp_processor_id() in preemptible
When CONFIG_DEBUG_PREEMPT is enabled, bug is observed in the smp_processor_id(). This is because smp_processor_id() is not called in preempt safe condition. To fix this issue, use raw_smp_processor_id instead of smp_processor_id. Signed-off-by: Nagalakshmi Nandigama <nagalakshmi.nandigama@lsi.com> CC: stable@vger.kernel.org Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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@ -1792,7 +1792,7 @@ static inline void _base_writeq(__u64 b, volatile void __iomem *addr,
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static inline u8
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static inline u8
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_base_get_msix_index(struct MPT2SAS_ADAPTER *ioc)
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_base_get_msix_index(struct MPT2SAS_ADAPTER *ioc)
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{
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{
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return ioc->cpu_msix_table[smp_processor_id()];
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return ioc->cpu_msix_table[raw_smp_processor_id()];
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}
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}
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/**
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/**
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