1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c
index 7006c95586e3..38d7c33bbc99 100644
--- a/drivers/target/target_core_sbc.c
+++ b/drivers/target/target_core_sbc.c
@@ -1230,6 +1230,9 @@ sbc_dif_v1_verify(struct se_cmd *cmd, struct se_dif_v1_tuple *sdt,
         int block_size = dev->dev_attrib.block_size;
         __be16 csum;
 
+        if (!(cmd->prot_checks & TARGET_DIF_CHECK_GUARD))
+                goto check_ref;
+
         csum = cpu_to_be16(crc_t10dif(p, block_size));
 
         if (sdt->guard_tag != csum) {
@@ -1239,6 +1242,10 @@ sbc_dif_v1_verify(struct se_cmd *cmd, struct se_dif_v1_tuple *sdt,
                 return TCM_LOGICAL_BLOCK_GUARD_CHECK_FAILED;
         }
 
+check_ref:
+        if (!(cmd->prot_checks & TARGET_DIF_CHECK_REFTAG))
+                return 0;
+
         if (cmd->prot_type == TARGET_DIF_TYPE1_PROT &&
             be32_to_cpu(sdt->ref_tag) != (sector & 0xffffffff)) {
                 pr_err("DIFv1 Type 1 reference failed on sector: %llu tag: 0x%08x"