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Message-Id: <1374269428-6827-1-git-send-email-richard@nod.at> Date: Fri, 19 Jul 2013 23:30:28 +0200 From: Richard Weinberger <richard@....at> To: rl@...lgate.ch Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Richard Weinberger <richard@....at> Subject: [PATCH] via-rhine: Fix tx_timeout handling rhine_reset_task() misses to call netif_stop_queue(), 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+0x491/0x6e Signed-off-by: Richard Weinberger <richard@....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 b75eb9e..57e1b40 100644 --- a/drivers/net/ethernet/via/via-rhine.c +++ b/drivers/net/ethernet/via/via-rhine.c @@ -1615,6 +1615,7 @@ static void rhine_reset_task(struct work_struct *work) goto out_unlock; napi_disable(&rp->napi); + netif_stop_queue(dev); spin_lock_bh(&rp->lock); /* clear all descriptors */ -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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