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libata-scsi: sanitize ata_gen_ata_sense() 

ata_to_sense_error() is called conditionally, so we should be
generating a default sense if the condition is not met.

Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Hannes Reinecke 2016-04-04 11:43:56 +02:00 committed by Tejun Heo
parent e87fd28cf9
commit 5e6acd1c8c
1 changed files with 6 additions and 0 deletions
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6
drivers/ata/libata-scsi.c
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@ -1074,6 +1074,12 @@ static void ata_gen_ata_sense(struct ata_queued_cmd *qc)
ata_to_sense_error(qc->ap->print_id, tf->command, tf->feature,
&sb[1], &sb[2], &sb[3], verbose);
sb[1] &= 0x0f;
} else {
/* Could not decode error */
ata_dev_warn(dev, "could not decode error status 0x%x err_mask 0x%x\n",
tf->command, qc->err_mask);
ata_scsi_set_sense(cmd, ABORTED_COMMAND, 0, 0);
return;
}
block = ata_tf_read_block(&qc->result_tf, dev);