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authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2021-03-09 11:42:14 +0300
committerThomas Gleixner <tglx@linutronix.de>2021-03-17 18:34:02 +0300
commit405698ca359a23b1ef1a502ef2bdc4597dc6da36 (patch)
treec1ec1fc1eccb624ad19776e69a4b58ecee9043f4 /drivers/atm
parent3250aa8a293b1859d76577714a3e1fe95732c721 (diff)
downloadlinux-405698ca359a23b1ef1a502ef2bdc4597dc6da36.tar.xz
atm: eni: Use tasklet_disable_in_atomic() in the send() callback
The atmdev_ops::send callback which calls tasklet_disable() is invoked with bottom halfs disabled from net_device_ops::ndo_start_xmit(). All other invocations of tasklet_disable() in this driver happen in preemptible context. Change the send() call to use tasklet_disable_in_atomic() which allows tasklet_disable() to be made sleepable once the remaining atomic context usage sites are cleaned up. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/r/20210309084242.415583839@linutronix.de
Diffstat (limited to 'drivers/atm')
-rw-r--r--drivers/atm/eni.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c
index 316a9947541f..e96a4e8a4a10 100644
--- a/drivers/atm/eni.c
+++ b/drivers/atm/eni.c
@@ -2054,7 +2054,7 @@ static int eni_send(struct atm_vcc *vcc,struct sk_buff *skb)
}
submitted++;
ATM_SKB(skb)->vcc = vcc;
- tasklet_disable(&ENI_DEV(vcc->dev)->task);
+ tasklet_disable_in_atomic(&ENI_DEV(vcc->dev)->task);
res = do_tx(skb);
tasklet_enable(&ENI_DEV(vcc->dev)->task);
if (res == enq_ok) return 0;