diff options
Diffstat (limited to 'drivers/scsi/scsi_error.c')
| -rw-r--r-- | drivers/scsi/scsi_error.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index a4b9cdbaaa0b..dc6131e6a1ba 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -293,8 +293,16 @@ static int scsi_check_sense(struct scsi_cmnd *scmd) * so that we can deal with it there. */ if (scmd->device->expecting_cc_ua) { - scmd->device->expecting_cc_ua = 0; - return NEEDS_RETRY; + /* + * Because some device does not queue unit + * attentions correctly, we carefully check + * additional sense code and qualifier so as + * not to squash media change unit attention. + */ + if (sshdr.asc != 0x28 || sshdr.ascq != 0x00) { + scmd->device->expecting_cc_ua = 0; + return NEEDS_RETRY; + } } /* * if the device is in the process of becoming ready, we |