Techwizz/kernel-fxtec-pro1x
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caif: Replace BUG_ON with WARN_ON.

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BUG_ON is too strict in a number of circumstances,
use WARN_ON instead. Protocol errors should not halt the system.

Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Roar Førde 2011-12-06 12:15:44 +00:00 committed by David S. Miller
parent 095d2a71e5
commit f84ea779c2
4 changed files with 12 additions and 10 deletions
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2
drivers/net/caif/caif_hsi.c
View file

@ -933,7 +933,7 @@ static int cfhsi_xmit(struct sk_buff *skb, struct net_device *dev)
/* Create HSI frame. */
len = cfhsi_tx_frm(desc, cfhsi);
BUG_ON(!len);
WARN_ON(!len);
/* Set up new transfer. */
res = cfhsi->dev->cfhsi_tx(cfhsi->tx_buf, len, cfhsi->dev);

4
drivers/net/caif/caif_serial.c
View file

@ -261,7 +261,7 @@ static int handle_tx(struct ser_device *ser)
skb_pull(skb, tty_wr);
if (skb->len == 0) {
struct sk_buff *tmp = skb_dequeue(&ser->head);
BUG_ON(tmp != skb);
WARN_ON(tmp != skb);
if (in_interrupt())
dev_kfree_skb_irq(skb);
else
@ -305,7 +305,7 @@ static void ldisc_tx_wakeup(struct tty_struct *tty)
ser = tty->disc_data;
BUG_ON(ser == NULL);
BUG_ON(ser->tty != tty);
WARN_ON(ser->tty != tty);
handle_tx(ser);
}

6
drivers/net/caif/caif_shmcore.c
View file

@ -337,7 +337,11 @@ static void shm_rx_work_func(struct work_struct *rx_work)
/* Get a suitable CAIF packet and copy in data. */
skb = netdev_alloc_skb(pshm_drv->pshm_dev->pshm_netdev,
frm_pck_len + 1);
BUG_ON(skb == NULL);
if (skb == NULL) {
pr_info("OOM: Try next frame in descriptor\n");
break;
}
p = skb_put(skb, frm_pck_len);
memcpy(p, pbuf->desc_vptr + frm_pck_ofs, frm_pck_len);

10
net/caif/caif_dev.c
View file

@ -58,7 +58,6 @@ static int q_high = 50; /* Percent */
struct cfcnfg *get_cfcnfg(struct net *net)
{
struct caif_net *caifn;
BUG_ON(!net);
caifn = net_generic(net, caif_net_id);
if (!caifn)
return NULL;
@ -69,7 +68,6 @@ EXPORT_SYMBOL(get_cfcnfg);
static struct caif_device_entry_list *caif_device_list(struct net *net)
{
struct caif_net *caifn;
BUG_ON(!net);
caifn = net_generic(net, caif_net_id);
if (!caifn)
return NULL;
@ -507,15 +505,15 @@ static struct notifier_block caif_device_notifier = {
static int caif_init_net(struct net *net)
{
struct caif_net *caifn = net_generic(net, caif_net_id);
BUG_ON(!caifn);
if (WARN_ON(!caifn))
return -EINVAL;
INIT_LIST_HEAD(&caifn->caifdevs.list);
mutex_init(&caifn->caifdevs.lock);
caifn->cfg = cfcnfg_create();
if (!caifn->cfg) {
pr_warn("can't create cfcnfg\n");
if (!caifn->cfg)
return -ENOMEM;
}
return 0;
}