From: Ingo Molnar <[email protected]>
init_rwsem() has no return value. This is not a problem if init_rwsem()
is a function, but it's a problem if it's a do { ... } while (0) macro.
(which lockdep introduces)
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Arjan van de Ven <[email protected]>
---
fs/xfs/linux-2.6/mrlock.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux/fs/xfs/linux-2.6/mrlock.h
===================================================================
--- linux.orig/fs/xfs/linux-2.6/mrlock.h
+++ linux/fs/xfs/linux-2.6/mrlock.h
@@ -28,7 +28,7 @@ typedef struct {
} mrlock_t;
#define mrinit(mrp, name) \
- ( (mrp)->mr_writer = 0, init_rwsem(&(mrp)->mr_lock) )
+ do { (mrp)->mr_writer = 0; init_rwsem(&(mrp)->mr_lock); } while (0)
#define mrlock_init(mrp, t,n,s) mrinit(mrp, n)
#define mrfree(mrp) do { } while (0)
#define mraccess(mrp) mraccessf(mrp, 0)
-
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