[SCSI] scsi_lib: stricter checks for clearing use_10_for_rw

Check the asc and ascq for being "invalid command opcode" as well.

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index ce9d73a292e2..1f2782767ca9 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -884,7 +884,8 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes,
                         * system where READ CAPACITY failed, we may have read
                         * past the end of the disk.
                         */
-                        if (cmd->device->use_10_for_rw &&
+                        if ((cmd->device->use_10_for_rw &&
+                            sshdr.asc == 0x20 && sshdr.ascq == 0x00) &&
                             (cmd->cmnd[0] == READ_10 ||
                              cmd->cmnd[0] == WRITE_10)) {
                                 cmd->device->use_10_for_rw = 0;