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| author | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2011-11-21 23:42:06 +0000 |
|---|---|---|
| committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2011-11-21 23:42:06 +0000 |
| commit | 300e812db26f4aa022e346f5fb9af1af134d98d8 (patch) | |
| tree | 382b45253a704087e8aa0c770bf3fc2ad67d4b02 /drivers/scsi/scsi_error.c | |
| parent | 4420dd2b306f1997232a13462bca0d420be5b1b8 (diff) | |
| parent | cfcfc9eca2bcbd26a8e206baeb005b055dbf8e37 (diff) | |
Merge commit 'v3.2-rc2' into fbdev-next
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 a4b9cdbaaa0..dc6131e6a1b 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 |