scsi: aacraid: do not overwrite retval in aac_reset_adapter()

'retval' got assigned a value twice, causing the original value to be lost.

Link: https://lore.kernel.org/r/[email protected]
Fixes: 3d3ca53 ("scsi: aacraid: use scsi_host_(block,unblock) to block I/O")
Reported-by: Martin K. Petersen <[email protected]>
Signed-off-by: Hannes Reinecke <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>

Author: hreinecke

drivers/scsi/aacraid/commsup.c

@@ -1626,7 +1626,7 @@ static int _aac_reset_adapter(struct aac_dev *aac, int forced, u8 reset_type)
 int aac_reset_adapter(struct aac_dev *aac, int forced, u8 reset_type)
 {
 	unsigned long flagv = 0;
-	int retval;
+	int retval, unblock_retval;
 	struct Scsi_Host *host = aac->scsi_host_ptr;
 	int bled;
 
@@ -1656,8 +1656,9 @@ int aac_reset_adapter(struct aac_dev *aac, int forced, u8 reset_type)
 	retval = _aac_reset_adapter(aac, bled, reset_type);
 	spin_unlock_irqrestore(host->host_lock, flagv);
 
-	retval = scsi_host_unblock(host, SDEV_RUNNING);
-
+	unblock_retval = scsi_host_unblock(host, SDEV_RUNNING);
+	if (!retval)
+		retval = unblock_retval;
 	if ((forced < 2) && (retval == -ENODEV)) {
 		/* Unwind aac_send_shutdown() IOP_RESET unsupported/disabled */
 		struct fib * fibctx = aac_fib_alloc(aac);