commit 39b083fe1c3c7b88939f6fa1b0b96e579f12e96f
author Heiko Carstens <heiko.carstens@de.ibm.com> Wed Sep 20 15:58:51 2006 +0200
committer Martin Schwidefsky <schwidefsky@de.ibm.com> Wed Sep 20 15:58:51 2006 +0200
tree b56864fed4a0aa286696cb4e63cbea6d8a962c8a
parent ff6b8ea68f4b7353f88b97024f28127e2148aa00

[S390] empty function defines.

Use do { } while (0) constructs instead of empty defines to avoid
subtle compile bugs.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

include/asm-s390/dma.h

diff --git a/include/asm-s390/dma.h b/include/asm-s390/dma.h
index 02720c4..7425c6a 100644
--- a/include/asm-s390/dma.h
+++ b/include/asm-s390/dma.h
@@ -11,6 +11,6 @@
 
 #define MAX_DMA_ADDRESS         0x80000000
 
-#define free_dma(x)
+#define free_dma(x)	do { } while (0)
 
 #endif /* _ASM_DMA_H */