[PATCH] fix sparse warning in kmem_shake_allow

[Christoph Hellwig <hch@xxxxxx>]

We can't returned a masked result of a __bitwise type.  Compare it to
0 first to keep the behaviour without the warning.


Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Index: linux-2.6-xfs/fs/xfs/linux-2.6/kmem.h
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/linux-2.6/kmem.h  2007-07-14 16:00:28.000000000 
+0200
+++ linux-2.6-xfs/fs/xfs/linux-2.6/kmem.h       2007-07-14 16:00:38.000000000 
+0200
@@ -103,7 +103,7 @@ extern void *kmem_zone_zalloc(kmem_zone_
 static inline int
 kmem_shake_allow(gfp_t gfp_mask)
 {
-       return (gfp_mask & __GFP_WAIT);
+       return (gfp_mask & __GFP_WAIT) != 0;
 }
 
 #endif /* __XFS_SUPPORT_KMEM_H__ */