netdev - [PATCH net-next] ionic: fix a sleeping in atomic bug

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Date:   Fri, 3 Sep 2021 16:18:56 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Shannon Nelson <snelson@...sando.io>
Cc:     drivers@...sando.io, "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Allen Hubbe <allenbh@...sando.io>, netdev@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: [PATCH net-next] ionic: fix a sleeping in atomic bug

This code is holding spin_lock_bh(&lif->rx_filters.lock); so the
allocation needs to be atomic.

Fixes: 969f84394604 ("ionic: sync the filters in the work task")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
---
 drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c b/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c
index 7e3a5634c161..25ecfcfa1281 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c
@@ -318,7 +318,7 @@ void ionic_rx_filter_sync(struct ionic_lif *lif)
 			if (f->state == IONIC_FILTER_STATE_NEW ||
 			    f->state == IONIC_FILTER_STATE_OLD) {
 				sync_item = devm_kzalloc(dev, sizeof(*sync_item),
-							 GFP_KERNEL);
+							 GFP_ATOMIC);
 				if (!sync_item)
 					goto loop_out;
 
-- 
2.20.1