[PATCH 3/4] Staging: zram: make zram_read return a bio error if the device is not initialized

[Jerome Marchand <jmarchan@redhat.com>]

Make zram_read() return a bio error if the device is not initialized
instead of pretending nothing happened.

Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
---
 zram_drv.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c
index d649b3e..4085958 100644
--- a/drivers/staging/zram/zram_drv.c
+++ b/drivers/staging/zram/zram_drv.c
@@ -208,8 +208,7 @@ static int zram_read(struct zram *zram, struct bio *bio)
 	struct bio_vec *bvec;
 
 	if (unlikely(!zram->init_done)) {
-		set_bit(BIO_UPTODATE, &bio->bi_flags);
-		bio_endio(bio, 0);
+		bio_endio(bio, -ENXIO);
 		return 0;
 	}