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-rw-r--r--drivers/target/target_core_transport.c16
1 files changed, 1 insertions, 15 deletions
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 000bc6d077ea..e825d580ccee 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -754,15 +754,7 @@ EXPORT_SYMBOL(target_complete_cmd);
754 754
755void target_complete_cmd_with_length(struct se_cmd *cmd, u8 scsi_status, int length) 755void target_complete_cmd_with_length(struct se_cmd *cmd, u8 scsi_status, int length)
756{ 756{
757 if (scsi_status != SAM_STAT_GOOD) { 757 if (scsi_status == SAM_STAT_GOOD && length < cmd->data_length) {
758 return;
759 }
760
761 /*
762 * Calculate new residual count based upon length of SCSI data
763 * transferred.
764 */
765 if (length < cmd->data_length) {
766 if (cmd->se_cmd_flags & SCF_UNDERFLOW_BIT) { 758 if (cmd->se_cmd_flags & SCF_UNDERFLOW_BIT) {
767 cmd->residual_count += cmd->data_length - length; 759 cmd->residual_count += cmd->data_length - length;
768 } else { 760 } else {
@@ -771,12 +763,6 @@ void target_complete_cmd_with_length(struct se_cmd *cmd, u8 scsi_status, int len
771 } 763 }
772 764
773 cmd->data_length = length; 765 cmd->data_length = length;
774 } else if (length > cmd->data_length) {
775 cmd->se_cmd_flags |= SCF_OVERFLOW_BIT;
776 cmd->residual_count = length - cmd->data_length;
777 } else {
778 cmd->se_cmd_flags &= ~(SCF_OVERFLOW_BIT | SCF_UNDERFLOW_BIT);
779 cmd->residual_count = 0;
780 } 766 }
781 767
782 target_complete_cmd(cmd, scsi_status); 768 target_complete_cmd(cmd, scsi_status);