[PATCH] atmel: audit return code of create_proc_* functions

From: Christophe Lucas <clucas@rotomalug.org>

Signed-off-by: Christophe Lucas <clucas@rotomalug.org>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>

Index: linux-kj/drivers/net/wireless/atmel.c
===================================================================
--- linux-kj.orig/drivers/net/wireless/atmel.c
+++ linux-kj/drivers/net/wireless/atmel.c
@@ -1509,6 +1509,7 @@ static int atmel_read_proc(char *page, c
 struct net_device *init_atmel_card( unsigned short irq, int port, const AtmelFWType fw_type,  
 				    struct device *sys_dev, int (*card_present)(void *), void *card)
 {
+	struct proc_dir_entry *ent;
 	struct net_device *dev;
 	struct atmel_private *priv;
 	int rc;
@@ -1622,7 +1623,9 @@ struct net_device *init_atmel_card( unsi
 	
 	netif_carrier_off(dev);
 	
-	create_proc_read_entry ("driver/atmel", 0, NULL, atmel_read_proc, priv);	
+	ent = create_proc_read_entry ("driver/atmel", 0, NULL, atmel_read_proc, priv);
+	if (!ent)
+		printk(KERN_WARNING "atmel: unable to create /proc entry.\n");
 	
 	printk(KERN_INFO "%s: Atmel at76c50x wireless. Version %d.%d simon@thekelleys.org.uk\n",
 	       dev->name, DRIVER_MAJOR, DRIVER_MINOR);