Bluetooth: Do not use assignments in IF conditions

Fix checkpatch warnings concerning assignments in if conditions.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 29544c2..e0de929 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -157,7 +157,8 @@
 
 	session->leds = newleds;
 
-	if (!(skb = alloc_skb(3, GFP_ATOMIC))) {
+	skb = alloc_skb(3, GFP_ATOMIC);
+	if (!skb) {
 		BT_ERR("Can't allocate memory for new frame");
 		return -ENOMEM;
 	}
@@ -250,7 +251,8 @@
 
 	BT_DBG("session %p data %p size %d", session, data, size);
 
-	if (!(skb = alloc_skb(size + 1, GFP_ATOMIC))) {
+	skb = alloc_skb(size + 1, GFP_ATOMIC);
+	if (!skb) {
 		BT_ERR("Can't allocate memory for new frame");
 		return -ENOMEM;
 	}
@@ -283,7 +285,8 @@
 
 	BT_DBG("session %p hid %p data %p size %d", session, session->hid, data, size);
 
-	if (!(skb = alloc_skb(size + 1, GFP_ATOMIC))) {
+	skb = alloc_skb(size + 1, GFP_ATOMIC);
+	if (!skb) {
 		BT_ERR("Can't allocate memory for new frame");
 		return -ENOMEM;
 	}