[IRDA]: Replace hard-coded dev_self[] array sizes with ARRAY_SIZE()

Several IR drivers used "for (i = 0; i < 4; i++)" to walk their
dev_self[] table.  Better to use ARRAY_SIZE().  And fix ali-ircc so it
won't run off the end if we find too many adapters.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/irda/irport.c b/drivers/net/irda/irport.c
index 44efd49bf4a..ba4f3eb988b 100644
--- a/drivers/net/irda/irport.c
+++ b/drivers/net/irda/irport.c
@@ -1090,7 +1090,7 @@ static int __init irport_init(void)
 {
         int i;
 
-        for (i=0; (io[i] < 2000) && (i < 4); i++) {
+        for (i=0; (io[i] < 2000) && (i < ARRAY_SIZE(dev_self)); i++) {
                 if (irport_open(i, io[i], irq[i]) != NULL)
                         return 0;
         }
@@ -1112,7 +1112,7 @@ static void __exit irport_cleanup(void)
 
         IRDA_DEBUG( 4, "%s()\n", __FUNCTION__);
 
-        for (i=0; i < 4; i++) {
+        for (i=0; i < ARRAY_SIZE(dev_self); i++) {
                 if (dev_self[i])
                         irport_close(dev_self[i]);
         }