diff mbox

[11/26] staging:batman-adv: cleanup: change test for end of array

Message ID 1273177132-8792-12-git-send-email-andrew@lunn.ch
State Not Applicable, archived
Headers show

Commit Message

Andrew Lunn May 6, 2010, 8:18 p.m. UTC
From: Dan Carpenter <error27@gmail.com>

The code here is testing to see if "i" is passed the end of the array.
The original code works probably, but it's not the cleanest way.

Andrew Lunn suggested that I also remove all the hard coded references
to 256 so I have done that as well.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
---
 drivers/staging/batman-adv/device.c |   11 ++++-------
 1 files changed, 4 insertions(+), 7 deletions(-)
diff mbox

Patch

diff --git a/drivers/staging/batman-adv/device.c b/drivers/staging/batman-adv/device.c
index c82a5af..fbfe234 100644
--- a/drivers/staging/batman-adv/device.c
+++ b/drivers/staging/batman-adv/device.c
@@ -44,10 +44,7 @@  static struct device_client *device_client_hash[256];
 
 void bat_device_init(void)
 {
-	int i;
-
-	for (i = 0; i < 256; i++)
-		device_client_hash[i] = NULL;
+	memset(device_client_hash, 0, sizeof(device_client_hash));
 }
 
 int bat_device_setup(void)
@@ -103,15 +100,15 @@  int bat_device_open(struct inode *inode, struct file *file)
 	if (!device_client)
 		return -ENOMEM;
 
-	for (i = 0; i < 256; i++) {
+	for (i = 0; i < ARRAY_SIZE(device_client_hash); i++) {
 		if (!device_client_hash[i]) {
 			device_client_hash[i] = device_client;
 			break;
 		}
 	}
 
-	if (device_client_hash[i] != device_client) {
-		printk(KERN_ERR "batman-adv:Error - can't add another packet client: maximum number of clients reached \n");
+	if (i == ARRAY_SIZE(device_client_hash)) {
+		printk(KERN_ERR "batman-adv:Error - can't add another packet client: maximum number of clients reached\n");
 		kfree(device_client);
 		return -EXFULL;
 	}