X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-sparc64%2Ffutex.h;h=dee40206b221f8d30d1e011faf79eedbea81402c;hb=9464c7cf61b9433057924c36e6e02f303a00e768;hp=7392fc4a954e2d603805c319071bc1cbb89e2d19;hpb=41689045f6a3cbe0550e1d34e9cc20d2e8c432ba;p=linux-2.6.git

diff --git a/include/asm-sparc64/futex.h b/include/asm-sparc64/futex.h
index 7392fc4a9..dee40206b 100644
--- a/include/asm-sparc64/futex.h
+++ b/include/asm-sparc64/futex.h
@@ -87,22 +87,24 @@ static inline int
 futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
 {
 	__asm__ __volatile__(
-	"\n1:	casa	[%3] %%asi, %2, %0\n"
-	"2:\n"
+	"\n1:	lduwa	[%2] %%asi, %0\n"
+	"2:	casa	[%2] %%asi, %0, %1\n"
+	"3:\n"
 	"	.section .fixup,#alloc,#execinstr\n"
 	"	.align	4\n"
-	"3:	ba	2b\n"
-	"	 mov	%4, %0\n"
+	"4:	ba	3b\n"
+	"	 mov	%3, %0\n"
 	"	.previous\n"
 	"	.section __ex_table,\"a\"\n"
 	"	.align	4\n"
-	"	.word	1b, 3b\n"
+	"	.word	1b, 4b\n"
+	"	.word	2b, 4b\n"
 	"	.previous\n"
-	: "=r" (newval)
-	: "0" (newval), "r" (oldval), "r" (uaddr), "i" (-EFAULT)
+	: "=&r" (oldval)
+	: "r" (newval), "r" (uaddr), "i" (-EFAULT)
 	: "memory");
 
-	return newval;
+	return oldval;
 }
 
 #endif /* !(_SPARC64_FUTEX_H) */