mtd/nand/sh_flctl: Replace the dangerous mtd_to_flctl macro

The original macro worked only when applied to variables named 'mtd'.
While this could have been fixed by simply renaming the macro argument,
a more type-safe replacement is preferred.

Signed-off-by: Ferenc Wagner <wferi@niif.hu>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/include/linux/mtd/sh_flctl.h b/include/linux/mtd/sh_flctl.h
index ab77609ec337..178b5c26c995 100644
--- a/include/linux/mtd/sh_flctl.h
+++ b/include/linux/mtd/sh_flctl.h
@@ -93,7 +93,10 @@
 #define INIT_FL4ECCRESULT_VAL   0x03FF03FF
 #define LOOP_TIMEOUT_MAX        0x00010000
 
-#define mtd_to_flctl(mtd)       container_of(mtd, struct sh_flctl, mtd)
+static inline struct sh_flctl *mtd_to_flctl(struct mtd_info *mtdinfo)
+{
+        return container_of(mtdinfo, struct sh_flctl, mtd);
+}
 
 struct sh_flctl {
         struct mtd_info         mtd;