scsi: aic79xx: Remove redundant error variable

Return the value from ahd_linux_queue_abort_cmd() directly instead of using
a redundant variable.

Link: https://lore.kernel.org/r/20220104112452.601899-1-chi.minghao@zte.com.cnReported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Signed-off-by: CGEL ZTE <cgel.zte@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/aic7xxx/aic79xx_osm.c

@@ -755,11 +755,7 @@ ahd_linux_biosparam(struct scsi_device *sdev, struct block_device *bdev,
 static int
 ahd_linux_abort(struct scsi_cmnd *cmd)
 {
-	int error;
-	
-	error = ahd_linux_queue_abort_cmd(cmd);
-
-	return error;
+	return ahd_linux_queue_abort_cmd(cmd);
 }
 
 /*