[PATCH] Fix sparse false positives re BUG_ON(ptr)

[Alexey Dobriyan <adobriyan@sw.ru>]

sparse now warns if one compares pointers with integers. However, there are
false positives, like:

	fs/filesystems.c:72:2: warning: Using plain integer as NULL pointer

Every time BUG_ON(ptr) is used, ptr is checked against integer zero. Avoid that
and save ~70 false positives from allyesconfig run.

mentioned by Al.

Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru>
---

 include/asm-generic/bug.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -28,7 +28,7 @@ struct bug_entry {
 #endif
 
 #ifndef HAVE_ARCH_BUG_ON
-#define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0)
+#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while(0)
 #endif
 
 #ifndef HAVE_ARCH_WARN_ON

-
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