[MTD] Fix module refcounting in NAND board drivers.

The _board_ driver needs to be mtd->owner, and it in turn pins the
nand.ko module. Fix them all to actually do that, and fix nand.ko not to
overwrite it -- and also to check that the caller sets it, if the caller
is a module.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/mtd/nand/edb7312.c b/drivers/mtd/nand/edb7312.c
index 8467d770710c..ad4488abfb0b 100644
--- a/drivers/mtd/nand/edb7312.c
+++ b/drivers/mtd/nand/edb7312.c
@@ -148,6 +148,7 @@ static int __init ep7312_init(void)
 
         /* Link the private data with the MTD structure */
         ep7312_mtd->priv = this;
+        ep7312_mtd->owner = THIS_MODULE;
 
         /*
          * Set GPIO Port B control register so that the pins are configured