[SCSI] drivers/scsi: Use ARRAY_SIZE macro

Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove
duplicates of the macro.

Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c
index 780aaedcbce9..5829f97a2068 100644
--- a/drivers/scsi/scsi_transport_spi.c
+++ b/drivers/scsi/scsi_transport_spi.c
@@ -146,7 +146,7 @@ static inline const char *spi_signal_to_string(enum spi_signal_type type)
 {
         int i;
 
-        for (i = 0; i < sizeof(signal_types)/sizeof(signal_types[0]); i++) {
+        for (i = 0; i < ARRAY_SIZE(signal_types); i++) {
                 if (type == signal_types[i].value)
                         return signal_types[i].name;
         }
@@ -156,7 +156,7 @@ static inline enum spi_signal_type spi_signal_to_value(const char *name)
 {
         int i, len;
 
-        for (i = 0; i < sizeof(signal_types)/sizeof(signal_types[0]); i++) {
+        for (i = 0; i < ARRAY_SIZE(signal_types); i++) {
                 len =  strlen(signal_types[i].name);
                 if (strncmp(name, signal_types[i].name, len) == 0 &&
                     (name[len] == '\n' || name[len] == '\0'))