[PATCH] libata: Fixup ata_sas_queuecmd to handle __ata_scsi_queuecmd failure
Fixes ata_sas_queuecmd to properly handle a failure from
__ata_scsi_queuecmd.
Signed-off-by: Brian King <brking@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 22643c0..47ea111 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -3347,20 +3347,23 @@
* @ap: ATA port to which the command is being sent
*
* RETURNS:
- * Zero.
+ * Return value from __ata_scsi_queuecmd() if @cmd can be queued,
+ * 0 otherwise.
*/
int ata_sas_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *),
struct ata_port *ap)
{
+ int rc = 0;
+
ata_scsi_dump_cdb(ap, cmd);
if (likely(ata_scsi_dev_enabled(ap->device)))
- __ata_scsi_queuecmd(cmd, done, ap->device);
+ rc = __ata_scsi_queuecmd(cmd, done, ap->device);
else {
cmd->result = (DID_BAD_TARGET << 16);
done(cmd);
}
- return 0;
+ return rc;
}
EXPORT_SYMBOL_GPL(ata_sas_queuecmd);