[PATCH] mtd: use NULL instead of 0 for an address

[Martin Kepplinger]

Use NULL instead of 0 when returning an address. This fixes a
sparse warning.

Signed-off-by: Martin Kepplinger <martink@xxxxxxxxx>
---
Sorry if this is only noise, I stumbled upon it and why not send it.
applies to next-20140731

 drivers/mtd/maps/pcmciamtd.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c
index a3cfad3..af747af 100644
--- a/drivers/mtd/maps/pcmciamtd.c
+++ b/drivers/mtd/maps/pcmciamtd.c
@@ -89,7 +89,7 @@ static caddr_t remap_window(struct map_info *map, unsigned long to)
 
 	if (!pcmcia_dev_present(dev->p_dev)) {
 		pr_debug("device removed\n");
-		return 0;
+		return NULL;
 	}
 
 	offset = to & ~(dev->win_size-1);
-- 
1.7.10.4

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