[PATCH 3.16 042/217] mtd: onenand: fix deadlock in onenand_block_markbad

[Ben Hutchings]

3.16.35-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Aaro Koskinen <aaro.koskinen@xxxxxx>

commit 5e64c29e98bfbba1b527b0a164f9493f3db9e8cb upstream.

Commit 5942ddbc500d ("mtd: introduce mtd_block_markbad interface")
incorrectly changed onenand_block_markbad() to call mtd_block_markbad
instead of onenand_chip's block_markbad function. As a result the function
will now recurse and deadlock. Fix by reverting the change.

Fixes: 5942ddbc500d ("mtd: introduce mtd_block_markbad interface")
Signed-off-by: Aaro Koskinen <aaro.koskinen@xxxxxx>
Acked-by: Artem Bityutskiy <artem.bityutskiy@xxxxxxxxxxxxxxx>
Signed-off-by: Brian Norris <computersforpeace@xxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
 drivers/mtd/onenand/onenand_base.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -2605,6 +2605,7 @@ static int onenand_default_block_markbad
  */
 static int onenand_block_markbad(struct mtd_info *mtd, loff_t ofs)
 {
+	struct onenand_chip *this = mtd->priv;
 	int ret;
 
 	ret = onenand_block_isbad(mtd, ofs);
@@ -2616,7 +2617,7 @@ static int onenand_block_markbad(struct
 	}
 
 	onenand_get_device(mtd, FL_WRITING);
-	ret = mtd_block_markbad(mtd, ofs);
+	ret = this->block_markbad(mtd, ofs);
 	onenand_release_device(mtd);
 	return ret;
 }