Merge branch 'for-3.8/core' of git://git.kernel.dk/linux-block

[cascardo/linux.git] / drivers / scsi / scsi_lib.c

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index f29a1a9..f1bf5af 100644 (file)
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -900,11 +900,23 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
                                action = ACTION_FAIL;
                                error = -EILSEQ;
                        /* INVALID COMMAND OPCODE or INVALID FIELD IN CDB */
-                       } else if ((sshdr.asc == 0x20 || sshdr.asc == 0x24) &&
-                                  (cmd->cmnd[0] == UNMAP ||
-                                   cmd->cmnd[0] == WRITE_SAME_16 ||
-                                   cmd->cmnd[0] == WRITE_SAME)) {
-                               description = "Discard failure";
+                       } else if (sshdr.asc == 0x20 || sshdr.asc == 0x24) {
+                               switch (cmd->cmnd[0]) {
+                               case UNMAP:
+                                       description = "Discard failure";
+                                       break;
+                               case WRITE_SAME:
+                               case WRITE_SAME_16:
+                                       if (cmd->cmnd[1] & 0x8)
+                                               description = "Discard failure";
+                                       else
+                                               description =
+                                                       "Write same failure";
+                                       break;
+                               default:
+                                       description = "Invalid command failure";
+                                       break;
+                               }
                                action = ACTION_FAIL;
                                error = -EREMOTEIO;
                        } else