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-rw-r--r--include/scsi/scsi_host.h15
1 files changed, 11 insertions, 4 deletions
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index b62a097b3ecb..6e728b176904 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -798,9 +798,15 @@ static inline unsigned int scsi_host_get_prot(struct Scsi_Host *shost)
798static inline unsigned int scsi_host_dif_capable(struct Scsi_Host *shost, unsigned int target_type) 798static inline unsigned int scsi_host_dif_capable(struct Scsi_Host *shost, unsigned int target_type)
799{ 799{
800 switch (target_type) { 800 switch (target_type) {
801 case 1: return shost->prot_capabilities & SHOST_DIF_TYPE1_PROTECTION; 801 case 1:
802 case 2: return shost->prot_capabilities & SHOST_DIF_TYPE2_PROTECTION; 802 if (shost->prot_capabilities & SHOST_DIF_TYPE1_PROTECTION)
803 case 3: return shost->prot_capabilities & SHOST_DIF_TYPE3_PROTECTION; 803 return target_type;
804 case 2:
805 if (shost->prot_capabilities & SHOST_DIF_TYPE2_PROTECTION)
806 return target_type;
807 case 3:
808 if (shost->prot_capabilities & SHOST_DIF_TYPE3_PROTECTION)
809 return target_type;
804 } 810 }
805 811
806 return 0; 812 return 0;
@@ -808,13 +814,14 @@ static inline unsigned int scsi_host_dif_capable(struct Scsi_Host *shost, unsign
808 814
809static inline unsigned int scsi_host_dix_capable(struct Scsi_Host *shost, unsigned int target_type) 815static inline unsigned int scsi_host_dix_capable(struct Scsi_Host *shost, unsigned int target_type)
810{ 816{
817#if defined(CONFIG_BLK_DEV_INTEGRITY)
811 switch (target_type) { 818 switch (target_type) {
812 case 0: return shost->prot_capabilities & SHOST_DIX_TYPE0_PROTECTION; 819 case 0: return shost->prot_capabilities & SHOST_DIX_TYPE0_PROTECTION;
813 case 1: return shost->prot_capabilities & SHOST_DIX_TYPE1_PROTECTION; 820 case 1: return shost->prot_capabilities & SHOST_DIX_TYPE1_PROTECTION;
814 case 2: return shost->prot_capabilities & SHOST_DIX_TYPE2_PROTECTION; 821 case 2: return shost->prot_capabilities & SHOST_DIX_TYPE2_PROTECTION;
815 case 3: return shost->prot_capabilities & SHOST_DIX_TYPE3_PROTECTION; 822 case 3: return shost->prot_capabilities & SHOST_DIX_TYPE3_PROTECTION;
816 } 823 }
817 824#endif
818 return 0; 825 return 0;
819} 826}
820 827