diff options
| author |   Arjan van de Ven <arjan@linux.intel.com> | 2008-07-21 13:31:48 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2008-07-21 13:31:48 -0700 |
| commit | 6579e57b31d79d31d9b806e41ba48774e73257dc (patch) | |
| tree | 03ba72024a1982ee76b8a891a443b0fdfb6d7c93 /net | |
| parent | net: use kcalloc in netdev_queue alloc (diff) | |
| download | linux-dev-6579e57b31d79d31d9b806e41ba48774e73257dc.tar.xz linux-dev-6579e57b31d79d31d9b806e41ba48774e73257dc.zip | |
net: Print the module name as part of the watchdog message
As suggested by Dave:
This patch adds a function to get the driver name from a struct net_device,
and consequently uses this in the watchdog timeout handler to print as
part of the message.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/dev.c | 20 | ||||
| -rw-r--r-- | net/sched/sch_generic.c | 6 |
2 files changed, 23 insertions, 3 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 1698b3998981..ad5598d2bb37 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4686,6 +4686,26 @@ err_name: return -ENOMEM; } +char *netdev_drivername(struct net_device *dev, char *buffer, int len) +{ + struct device_driver *driver; + struct device *parent; + + if (len <= 0 || !buffer) + return buffer; + buffer[0] = 0; + + parent = dev->dev.parent; + + if (!parent) + return buffer; + + driver = parent->driver; + if (driver && driver->name) + strlcpy(buffer, driver->name, len); + return buffer; +} + static void __net_exit netdev_exit(struct net *net) { kfree(net->dev_name_head); diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index cb625b4d6da5..4ac7e3a8c253 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -212,9 +212,9 @@ static void dev_watchdog(unsigned long arg) if (some_queue_stopped && time_after(jiffies, (dev->trans_start + dev->watchdog_timeo))) { - printk(KERN_INFO "NETDEV WATCHDOG: %s: " - "transmit timed out\n", - dev->name); + char drivername[64]; + printk(KERN_INFO "NETDEV WATCHDOG: %s (%s): transmit timed out\n", + dev->name, netdev_drivername(dev, drivername, 64)); dev->tx_timeout(dev); WARN_ON_ONCE(1); } |