[SCSI] sd: Correctly handle 6-byte commands with DIX

[mv-sheeva.git] / drivers / scsi / sd_dif.c

diff --git a/drivers/scsi/sd_dif.c b/drivers/scsi/sd_dif.c
index c9b41077fca174f41c716141a5d19e423c5139a8..184dff492797e960c2a65ae4fce5f81ead4c3654 100644 (file)
--- a/drivers/scsi/sd_dif.c
+++ b/drivers/scsi/sd_dif.c
@@ -374,7 +374,10 @@ void sd_dif_op(struct scsi_cmnd *scmd, unsigned int dif, unsigned int dix, unsig
        else
                csum_convert = 0;
 
+       BUG_ON(dif && (scmd->cmnd[0] == READ_6 || scmd->cmnd[0] == WRITE_6));
+
        switch (scmd->cmnd[0]) {
+       case READ_6:
        case READ_10:
        case READ_12:
        case READ_16:
@@ -390,6 +393,7 @@ void sd_dif_op(struct scsi_cmnd *scmd, unsigned int dif, unsigned int dix, unsig
 
                break;
 
+       case WRITE_6:
        case WRITE_10:
        case WRITE_12:
        case WRITE_16: