Staging: batman-adv: Replace KERN_DEBUG with bat_dbg

Ameya Palande requested we replace printk(KERN_DEBUG "") by pr_debug()
I decided it was better to use our debug macro.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/batman-adv/device.c b/drivers/staging/batman-adv/device.c
index 12f2de9..92cf8d5 100644
--- a/drivers/staging/batman-adv/device.c
+++ b/drivers/staging/batman-adv/device.c
@@ -207,7 +207,7 @@
 	struct batman_if *batman_if;
 
 	if (len < sizeof(struct icmp_packet)) {
-		printk(KERN_DEBUG "batman-adv:Error - can't send packet from char device: invalid packet size\n");
+		bat_dbg(DBG_BATMAN, "batman-adv:Error - can't send packet from char device: invalid packet size\n");
 		return -EINVAL;
 	}
 
@@ -218,12 +218,12 @@
 		return -EFAULT;
 
 	if (icmp_packet.packet_type != BAT_ICMP) {
-		printk(KERN_DEBUG "batman-adv:Error - can't send packet from char device: got bogus packet type (expected: BAT_ICMP)\n");
+		bat_dbg(DBG_BATMAN, "batman-adv:Error - can't send packet from char device: got bogus packet type (expected: BAT_ICMP)\n");
 		return -EINVAL;
 	}
 
 	if (icmp_packet.msg_type != ECHO_REQUEST) {
-		printk(KERN_DEBUG "batman-adv:Error - can't send packet from char device: got bogus message type (expected: ECHO_REQUEST)\n");
+		bat_dbg(DBG_BATMAN, "batman-adv:Error - can't send packet from char device: got bogus message type (expected: ECHO_REQUEST)\n");
 		return -EINVAL;
 	}