[PATCH] nvdimm: fix inline function return type warning

[Randy Dunlap]

From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

Fix multiple build warnings when CONFIG_BTT is not enabled:

In file included from ../drivers/nvdimm/bus.c:29:0:
../drivers/nvdimm/nd.h:169:15: warning: return type defaults to 'int' [-Wreturn-type]
 static inline nd_btt_probe(struct nd_namespace_common *ndns, void *drvdata)
               ^

Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: linux-nvdimm@xxxxxxxxxxxx
---
 drivers/nvdimm/nd.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- lnx-42-rc4.orig/drivers/nvdimm/nd.h
+++ lnx-42-rc4/drivers/nvdimm/nd.h
@@ -166,7 +166,7 @@ int nd_btt_probe(struct nd_namespace_com
 bool is_nd_btt(struct device *dev);
 struct device *nd_btt_create(struct nd_region *nd_region);
 #else
-static inline nd_btt_probe(struct nd_namespace_common *ndns, void *drvdata)
+static inline int nd_btt_probe(struct nd_namespace_common *ndns, void *drvdata)
 {
 	return -ENODEV;
 }
--
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