Messages in this thread Patch in this message | | | From | Richard Weinberger <> | Subject | [PATCH] net,via-rhine: Fix tx_timeout handling | Date | Tue, 14 Jan 2014 22:46:36 +0100 |
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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 <richard@nod.at> --- drivers/net/ethernet/via/via-rhine.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c index cce6c4b..ef312bc 100644 --- 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 */ -- 1.8.4.2
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