linux/drivers/net/wimax
Eric Dumazet b8fbaef586 wimax/i2400m: fix erroneous NETDEV_TX_BUSY use
A driver start_xmit() method cannot free skb and return NETDEV_TX_BUSY,
since caller is going to reuse freed skb.

In fact netif_tx_stop_queue() / netif_stop_queue() is needed before
returning NETDEV_TX_BUSY or you can trigger a ksoftirqd fatal loop.

In case of memory allocation error, only safe way is to drop the packet
and return NETDEV_TX_OK

Also increments tx_dropped counter

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-16 02:01:41 -07:00
..
i2400m wimax/i2400m: fix erroneous NETDEV_TX_BUSY use 2012-03-16 02:01:41 -07:00
Kconfig i2400m: Makefile and Kconfig 2009-01-07 10:00:22 -08:00
Makefile i2400m: Makefile and Kconfig 2009-01-07 10:00:22 -08:00