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Code Issues Releases Wiki Activity

Bluetooth: Improve buffer debug usefulness 

The overflow/underflow checks are something that we want to have
whenever debug is enabled in general (and not just for buffers
specifically).

Change-Id: Ib4edd366ae8ce1a80d33155ab1dc8d5a20477909
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Johan Hedberg 2015-05-25 11:56:41 +03:00 committed by Anas Nashif
parent 8d0d247f23
commit 1781490c87
1 changed files with 10 additions and 3 deletions
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13
net/bluetooth/buf.c
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@ -150,7 +150,10 @@ struct bt_buf *bt_buf_hold(struct bt_buf *buf)
void *bt_buf_add(struct bt_buf *buf, size_t len)
{
uint8_t *tail = buf->data + buf->len;
#if defined(CONFIG_BLUETOOTH_DEBUG_BUF)
BT_DBG("buf %p len %u\n", buf, len);
#if defined(CONFIG_BLUETOOTH_DEBUG)
if (bt_buf_tailroom(buf) < len) {
BT_ERR("buf %p overflow! len %u tailroom %u\n", buf, len,
bt_buf_tailroom(buf));
@ -162,7 +165,9 @@ void *bt_buf_add(struct bt_buf *buf, size_t len)
void *bt_buf_push(struct bt_buf *buf, size_t len)
{
#if defined(CONFIG_BLUETOOTH_DEBUG_BUF)
BT_DBG("buf %p len %u\n", buf, len);
#if defined(CONFIG_BLUETOOTH_DEBUG)
if (bt_buf_headroom(buf) < len) {
BT_ERR("buf %p underflow! len %u headroom %u\n", buf, len,
bt_buf_headroom(buf));
@ -175,7 +180,9 @@ void *bt_buf_push(struct bt_buf *buf, size_t len)
void *bt_buf_pull(struct bt_buf *buf, size_t len)
{
#if defined(CONFIG_BLUETOOTH_DEBUG_BUF)
BT_DBG("buf %p len %u\n", buf, len);
#if defined(CONFIG_BLUETOOTH_DEBUG)
if (buf->len < len) {
BT_ERR("buf %p overflow! len %u buf->len %u\n", buf, len,
buf->len);