[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/rtc_from4.c b/drivers/mtd/nand/rtc_from4.c
index 1887989fb885..0c56a6629128 100644
--- a/drivers/mtd/nand/rtc_from4.c
+++ b/drivers/mtd/nand/rtc_from4.c
@@ -538,6 +538,7 @@ int __init rtc_from4_init(void)
 
         /* Link the private data with the MTD structure */
         rtc_from4_mtd->priv = this;
+        rtc_from4_mtd->owner = THIS_MODULE;
 
         /* set area 5 as PCMCIA mode to clear the spec of tDH(Data hold time;9ns min) */
         bcr1 = *SH77X9_BCR1 & ~0x0002;