From: Andrew Morton <akpm@linux-foundation.org>

- fix build

- return is not a function

- we need to get this sort of stuff reviewed by the maintainer early.

Cc: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/asm-arm/system.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff -puN include/asm-arm/system.h~git-kgdb-arm-fix include/asm-arm/system.h
--- a/include/asm-arm/system.h~git-kgdb-arm-fix
+++ a/include/asm-arm/system.h
@@ -367,11 +367,11 @@ static inline unsigned long __cmpxchg(vo
 
 	if (size == 4) {
 		local_irq_save(flags);
-		pref = *p;
+		prev = *p;
 		if (prev == old)
 			*p = new;
 		local_irq_restore(flags);
-		return(prev);
+		return prev;
 	} else
 		return wrong_size_cmpxchg(ptr);
 }
_