@@ -1081,16 +1081,16 @@ static u16 efx_farch_handle_rx_not_ok(struct efx_rx_queue *rx_queue,
efx_farch_handle_tx_flush_done(struct efx_nic *efx, efx_qword_t *event)
{
struct efx_tx_queue *tx_queue;
+ struct efx_channel *channel;
int qid;
qid = EFX_QWORD_FIELD(*event, FSF_AZ_DRIVER_EV_SUBDATA);
if (qid < EFX_MAX_TXQ_PER_CHANNEL * (efx->n_tx_channels + efx->n_extra_tx_channels)) {
- tx_queue = efx_get_tx_queue(efx, qid / EFX_MAX_TXQ_PER_CHANNEL,
- qid % EFX_MAX_TXQ_PER_CHANNEL);
- if (atomic_cmpxchg(&tx_queue->flush_outstanding, 1, 0)) {
+ channel = efx_get_tx_channel(efx, qid / EFX_MAX_TXQ_PER_CHANNEL);
+ tx_queue = channel->tx_queue + (qid % EFX_MAX_TXQ_PER_CHANNEL);
+ if (atomic_cmpxchg(&tx_queue->flush_outstanding, 1, 0))
efx_farch_magic_event(tx_queue->channel,
EFX_CHANNEL_MAGIC_TX_DRAIN(tx_queue));
- }
}
}
We're starting from a TXQ instance number ('qid'), not a TXQ type, so efx_get_tx_queue() is inappropriate (and could return NULL, leading to panics). Fixes: 12804793b17c ("sfc: decouple TXQ type from label") Reported-by: Trevor Hemsley <themsley@voiceflex.com> Cc: stable@vger.kernel.org Signed-off-by: Edward Cree <ecree.xilinx@gmail.com> --- drivers/net/ethernet/sfc/farch.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)