[PATCH] Don't define empty struct bsg_class_device if !CONFIG_BLK_DEV_BSG (was: Re: block/bsg.c)

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Don't define an empty struct bsg_class_device if !CONFIG_BLK_DEV_BSG.

It's embedded in struct request_queue, but there we have

#if defined(CONFIG_BLK_DEV_BSG)
	struct bsg_class_device bsg_dev;
#endif

anyway.

Signed-off-by: Geert Uytterhoeven <[email protected]>
---
At first I considered dropping the #ifdef around request_queue.bsg_dev, but
that would make the code more error-prone.

 include/linux/bsg.h |    1 -
 1 files changed, 1 deletion(-)

--- a/include/linux/bsg.h
+++ b/include/linux/bsg.h
@@ -60,7 +60,6 @@ struct bsg_class_device {
 extern int bsg_register_queue(struct request_queue *, const char *);
 extern void bsg_unregister_queue(struct request_queue *);
 #else
-struct bsg_class_device { };
 #define bsg_register_queue(disk, name)		(0)
 #define bsg_unregister_queue(disk)	do { } while (0)
 #endif

With kind regards,
 
Geert Uytterhoeven
Software Architect

Sony Network and Software Technology Center Europe
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