[patch 8/14] s390: test_bit return value.

[Martin Schwidefsky]

From: Christian Borntraeger <cborntra@xxxxxxxxxx>

[patch 8/14] s390: test_bit return value.

The test_bit function returns a non-boolean value, it returns 0,1,2,4,...
instead of only 0 or 1. This causes wrongs results in the mincore
system call. Check against 0 to get a proper boolean value.

Signed-off-by: Christian Borntraeger <cborntra@xxxxxxxxxx>
Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
---

 include/asm-s390/bitops.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff -urpN linux-2.6/include/asm-s390/bitops.h linux-2.6-patched/include/asm-s390/bitops.h
--- linux-2.6/include/asm-s390/bitops.h	2005-10-28 02:02:08.000000000 +0200
+++ linux-2.6-patched/include/asm-s390/bitops.h	2005-10-28 14:04:50.000000000 +0200
@@ -518,8 +518,8 @@ static inline int __test_bit(unsigned lo
 
 static inline int 
 __constant_test_bit(unsigned long nr, const volatile unsigned long *addr) {
-    return (((volatile char *) addr)
-	    [(nr^(__BITOPS_WORDSIZE-8))>>3] & (1<<(nr&7)));
+    return ((((volatile char *) addr)
+	    [(nr^(__BITOPS_WORDSIZE-8))>>3] & (1<<(nr&7)))) != 0;
 }
 
 #define test_bit(nr,addr) \
-
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