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[libata] Fix HDIO_DRIVE_* ioctl() Linux 3.9 regression 

On Mon, Mar 25, 2013 at 06:26:50PM +0100, Ronald wrote:
> In reply to [1]: I have the same issue. Git bisect took 50+ rebuilds xD
>
> Smartd does not work anymore since 84a9a8cd9 ([libata] Set proper SK
> when CK_COND is set.).

> [1] http://www.spinics.net/lists/linux-ide/msg45268.html

It seems that the SAM_STAT_CHECK_CONDITION is not cleared
causing -EIO, because that patch modified sensebuf and
the check for clearing SAM_STAT_CHECK_CONDITION is no longer valid.

Fix that.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Krzysztof Mazur 2013-03-27 13:51:14 +01:00 committed by Jeff Garzik
parent 8e725c7f8a
commit 6d3bfc7be6
1 changed files with 4 additions and 4 deletions
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8
drivers/ata/libata-scsi.c
View File

@ -532,8 +532,8 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg)
struct scsi_sense_hdr sshdr;
scsi_normalize_sense(sensebuf, SCSI_SENSE_BUFFERSIZE,
&sshdr);
if (sshdr.sense_key == 0 &&
sshdr.asc == 0 && sshdr.ascq == 0)
if (sshdr.sense_key == RECOVERED_ERROR &&
sshdr.asc == 0 && sshdr.ascq == 0x1d)
cmd_result &= ~SAM_STAT_CHECK_CONDITION;
}
@ -618,8 +618,8 @@ int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg)
struct scsi_sense_hdr sshdr;
scsi_normalize_sense(sensebuf, SCSI_SENSE_BUFFERSIZE,
&sshdr);
if (sshdr.sense_key == 0 &&
sshdr.asc == 0 && sshdr.ascq == 0)
if (sshdr.sense_key == RECOVERED_ERROR &&
sshdr.asc == 0 && sshdr.ascq == 0x1d)
cmd_result &= ~SAM_STAT_CHECK_CONDITION;
}