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[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>
This commit is contained in:
Heiko Carstens 2006-09-20 15:58:51 +02:00 committed by Martin Schwidefsky
parent ff6b8ea68f
commit 39b083fe1c
5 changed files with 15 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/s390/cio/qdio.h
View File

@ -191,49 +191,49 @@ enum qdio_irq_states {
#if QDIO_VERBOSE_LEVEL>8
#define QDIO_PRINT_STUPID(x...) printk( KERN_DEBUG QDIO_PRINTK_HEADER x)
#else
#define QDIO_PRINT_STUPID(x...)
#define QDIO_PRINT_STUPID(x...) do { } while (0)
#endif
#if QDIO_VERBOSE_LEVEL>7
#define QDIO_PRINT_ALL(x...) printk( QDIO_PRINTK_HEADER x)
#else
#define QDIO_PRINT_ALL(x...)
#define QDIO_PRINT_ALL(x...) do { } while (0)
#endif
#if QDIO_VERBOSE_LEVEL>6
#define QDIO_PRINT_INFO(x...) printk( QDIO_PRINTK_HEADER x)
#else
#define QDIO_PRINT_INFO(x...)
#define QDIO_PRINT_INFO(x...) do { } while (0)
#endif
#if QDIO_VERBOSE_LEVEL>5
#define QDIO_PRINT_WARN(x...) printk( QDIO_PRINTK_HEADER x)
#else
#define QDIO_PRINT_WARN(x...)
#define QDIO_PRINT_WARN(x...) do { } while (0)
#endif
#if QDIO_VERBOSE_LEVEL>4
#define QDIO_PRINT_ERR(x...) printk( QDIO_PRINTK_HEADER x)
#else
#define QDIO_PRINT_ERR(x...)
#define QDIO_PRINT_ERR(x...) do { } while (0)
#endif
#if QDIO_VERBOSE_LEVEL>3
#define QDIO_PRINT_CRIT(x...) printk( QDIO_PRINTK_HEADER x)
#else
#define QDIO_PRINT_CRIT(x...)
#define QDIO_PRINT_CRIT(x...) do { } while (0)
#endif
#if QDIO_VERBOSE_LEVEL>2
#define QDIO_PRINT_ALERT(x...) printk( QDIO_PRINTK_HEADER x)
#else
#define QDIO_PRINT_ALERT(x...)
#define QDIO_PRINT_ALERT(x...) do { } while (0)
#endif
#if QDIO_VERBOSE_LEVEL>1
#define QDIO_PRINT_EMERG(x...) printk( QDIO_PRINTK_HEADER x)
#else
#define QDIO_PRINT_EMERG(x...)
#define QDIO_PRINT_EMERG(x...) do { } while (0)
#endif
#define HEXDUMP16(importance,header,ptr) \

8
drivers/s390/scsi/zfcp_def.h
View File

@ -543,7 +543,7 @@ do { \
} while (0)
#if ZFCP_LOG_LEVEL_LIMIT < ZFCP_LOG_LEVEL_NORMAL
# define ZFCP_LOG_NORMAL(fmt, args...)
# define ZFCP_LOG_NORMAL(fmt, args...) do { } while (0)
#else
# define ZFCP_LOG_NORMAL(fmt, args...) \
do { \
@ -553,7 +553,7 @@ do { \
#endif
#if ZFCP_LOG_LEVEL_LIMIT < ZFCP_LOG_LEVEL_INFO
# define ZFCP_LOG_INFO(fmt, args...)
# define ZFCP_LOG_INFO(fmt, args...) do { } while (0)
#else
# define ZFCP_LOG_INFO(fmt, args...) \
do { \
@ -563,14 +563,14 @@ do { \
#endif
#if ZFCP_LOG_LEVEL_LIMIT < ZFCP_LOG_LEVEL_DEBUG
# define ZFCP_LOG_DEBUG(fmt, args...)
# define ZFCP_LOG_DEBUG(fmt, args...) do { } while (0)
#else
# define ZFCP_LOG_DEBUG(fmt, args...) \
ZFCP_LOG(ZFCP_LOG_LEVEL_DEBUG, fmt , ##args)
#endif
#if ZFCP_LOG_LEVEL_LIMIT < ZFCP_LOG_LEVEL_TRACE
# define ZFCP_LOG_TRACE(fmt, args...)
# define ZFCP_LOG_TRACE(fmt, args...) do { } while (0)
#else
# define ZFCP_LOG_TRACE(fmt, args...) \
ZFCP_LOG(ZFCP_LOG_LEVEL_TRACE, fmt , ##args)

2
include/asm-s390/dma.h
View File

@ -11,6 +11,6 @@
#define MAX_DMA_ADDRESS 0x80000000
#define free_dma(x)
#define free_dma(x) do { } while (0)
#endif /* _ASM_DMA_H */

2
include/asm-s390/io.h
View File

@ -116,7 +116,7 @@ extern void iounmap(void *addr);
#define outb(x,addr) ((void) writeb(x,addr))
#define outb_p(x,addr) outb(x,addr)
#define mmiowb()
#define mmiowb() do { } while (0)
/*
* Convert a physical pointer to a virtual kernel pointer for /dev/mem

2
include/asm-s390/smp.h
View File

@ -104,7 +104,7 @@ smp_call_function_on(void (*func) (void *info), void *info,
#define smp_cpu_not_running(cpu) 1
#define smp_get_cpu(cpu) ({ 0; })
#define smp_put_cpu(cpu) ({ 0; })
#define smp_setup_cpu_possible_map()
#define smp_setup_cpu_possible_map() do { } while (0)
#endif
#endif