diff --git a/drivers/block/swim.c b/drivers/block/swim.c
index 6f37a01219c2..49c894af7c13 100644
--- a/drivers/block/swim.c
+++ b/drivers/block/swim.c
@@ -639,7 +639,8 @@ static int floppy_open(struct gendisk *disk, blk_mode_t mode)
 	if (mode & (BLK_OPEN_READ | BLK_OPEN_WRITE)) {
 		if (disk_check_media_change(disk) && fs->disk_in)
 			fs->ejected = 0;
-		if ((mode & BLK_OPEN_WRITE) && fs->write_protected) {
+		if (mode & BLK_OPEN_WRITE) {
+			/* Write support isn't implemented. */
 			err = -EROFS;
 			goto out;
 		}