net: buf: Let's make use of func/line parameters when available

It clutters a bit the code with ifdefs but it's quite useful when
debugging.

Change-Id: I4f6899d052921b8ef8a7ec2f6e7df927a1bca2f1
Signed-off-by: Tomasz Bursztyka <[email protected]>

Author: Tomasz Bursztyka

subsys/net/buf.c

@@ -80,7 +80,7 @@ struct net_buf *net_buf_alloc(struct net_buf_pool *pool, int32_t timeout)
 
 	NET_BUF_ASSERT(pool);
 
-	NET_BUF_DBG("pool %p timeout %d", pool, timeout);
+	NET_BUF_DBG("%s():%d: pool %p timeout %d", func, line, pool, timeout);
 
 	/* We need to lock interrupts temporarily to prevent race conditions
 	 * when accessing pool->uninit_count.
@@ -154,15 +154,15 @@ struct net_buf *net_buf_get(struct k_fifo *fifo, int32_t timeout)
 {
 	struct net_buf *buf, *frag;
 
-	NET_BUF_DBG("fifo %p timeout %d", fifo, timeout);
+	NET_BUF_DBG("%s():%d: fifo %p timeout %d", func, line, fifo, timeout);
 
 	buf = k_fifo_get(fifo, timeout);
 	if (!buf) {
 		NET_BUF_ERR("Failed to get free buffer");
 		return NULL;
 	}
 
-	NET_BUF_DBG("buf %p fifo %p", buf, fifo);
+	NET_BUF_DBG("%s():%d: buf %p fifo %p", func, line, buf, fifo);
 
 	/* Get any fragments belonging to this buffer */
 	for (frag = buf; (frag->flags & NET_BUF_FRAGS); frag = frag->frags) {