[PATCH 1/2] mtd oob: do not register oob device for devices without oob

Sascha Hauer s.hauer at pengutronix.de
Thu Nov 29 14:03:05 EST 2012


Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 drivers/mtd/mtdoob.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/mtd/mtdoob.c b/drivers/mtd/mtdoob.c
index c7bf40c..e5d8039 100644
--- a/drivers/mtd/mtdoob.c
+++ b/drivers/mtd/mtdoob.c
@@ -73,6 +73,9 @@ static int add_mtdoob_device(struct mtd_info *mtd, char *devname, void **priv)
 {
 	struct mtdoob *mtdoob;
 
+	if (mtd->oobsize == 0)
+		return 0;
+
 	mtdoob = xzalloc(sizeof(*mtdoob));
 	mtdoob->cdev.ops = &mtd_ops_oob;
 	mtdoob->cdev.size = (mtd->size / mtd->writesize) * mtd->oobsize;
-- 
1.7.10.4




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