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| author | Eric Dumazet <[email protected]> | 2012-03-14 09:21:44 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2012-03-16 09:01:41 +0000 |
| commit | b8fbaef586176f6abe0eb7887ddae66e99898b79 (patch) | |
| tree | de0789276c35e3cb5d55dc858ce6b76a30918efc /fs/jbd/commit.c | |
| parent | net/hyperv: fix erroneous NETDEV_TX_BUSY use (diff) | |
| download | kernel-b8fbaef586176f6abe0eb7887ddae66e99898b79.tar.gz kernel-b8fbaef586176f6abe0eb7887ddae66e99898b79.zip | |
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 <[email protected]>
Cc: Inaky Perez-Gonzalez <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'fs/jbd/commit.c')
0 files changed, 0 insertions, 0 deletions