refactor: replace variable name r with err

"int r" doesn't tell us nothing but it's return value. nor does "retval". Signed-off-by: Akira Hayakawa <ruby.wktk@gmail.com>
akiradeveloper · Sep 11, 2016 · cdcc90b · cdcc90b
1 parent 7db353d
commit cdcc90b
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diff --git a/src/dm-writeboost-daemon.c b/src/dm-writeboost-daemon.c
@@ -59,11 +59,11 @@ static void process_deferred_barriers(struct wb_device *wb, struct flush_job *jo
 		struct bio *bio;
 
 		/* Make all the preceding data persistent. */
-		int res = blkdev_issue_flush(wb->cache_dev->bdev, GFP_NOIO, NULL);
+		int err = blkdev_issue_flush(wb->cache_dev->bdev, GFP_NOIO, NULL);
 
 		/* Ack the chained barrier requests. */
 		while ((bio = bio_list_pop(&job->barrier_ios)))
-			bio_endio_compat(bio, res);
+			bio_endio_compat(bio, err);
 	}
 }