net,via-rhine: Fix tx_timeout handling

rhine_reset_task() misses to disable the tx scheduler upon reset, this can lead to a crash if work is still scheduled while we're resetting the tx queue. Fixes: [ 93.591707] BUG: unable to handle kernel NULL pointer dereference at 0000004c [ 93.595514] IP: [<c119d10d>] rhine_napipoll+0x491/0x6 Signed-off-by: Richard Weinberger <[email protected]> Signed-off-by: David S. Miller <[email protected]>
AnTAVR · Jan 15, 2014 · a926592 · a926592
1 parent 51bb352
commit a926592
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c
@@ -1618,6 +1618,7 @@ static void rhine_reset_task(struct work_struct *work)
 		goto out_unlock;
 
 	napi_disable(&rp->napi);
+	netif_tx_disable(dev);
 	spin_lock_bh(&rp->lock);
 
 	/* clear all descriptors */