diff options
Diffstat (limited to 'target/linux/bcm63xx/patches-5.4/047-v5.12-bcm63xx_enet-fix-kernel-panic.patch')
-rw-r--r-- | target/linux/bcm63xx/patches-5.4/047-v5.12-bcm63xx_enet-fix-kernel-panic.patch | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/target/linux/bcm63xx/patches-5.4/047-v5.12-bcm63xx_enet-fix-kernel-panic.patch b/target/linux/bcm63xx/patches-5.4/047-v5.12-bcm63xx_enet-fix-kernel-panic.patch deleted file mode 100644 index fad336a643..0000000000 --- a/target/linux/bcm63xx/patches-5.4/047-v5.12-bcm63xx_enet-fix-kernel-panic.patch +++ /dev/null @@ -1,58 +0,0 @@ -From 90eda07518ea7e8d1b3e6445eb3633eef9f65218 Mon Sep 17 00:00:00 2001 -From: Sieng Piaw Liew <liew.s.piaw@gmail.com> -Date: Mon, 22 Feb 2021 09:15:12 +0800 -Subject: [PATCH net] bcm63xx_enet: fix sporadic kernel panic - -In ndo_stop functions, netdev_completed_queue() is called during forced -tx reclaim, after netdev_reset_queue(). This may trigger kernel panic if -there is any tx skb left. - -This patch moves netdev_reset_queue() to after tx reclaim, so BQL can -complete successfully then reset. - -Signed-off-by: Sieng Piaw Liew <liew.s.piaw@gmail.com> -Acked-by: Florian Fainelli <f.fainelli@gmail.com> -Fixes: 4c59b0f5543d ("bcm63xx_enet: add BQL support") -Signed-off-by: Jakub Kicinski <kuba@kernel.org> ---- - drivers/net/ethernet/broadcom/bcm63xx_enet.c | 8 ++++++-- - 1 file changed, 6 insertions(+), 2 deletions(-) - ---- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c -+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c -@@ -1193,7 +1193,6 @@ static int bcm_enet_stop(struct net_devi - kdev = &priv->pdev->dev; - - netif_stop_queue(dev); -- netdev_reset_queue(dev); - napi_disable(&priv->napi); - if (priv->has_phy) - phy_stop(dev->phydev); -@@ -1232,6 +1231,9 @@ static int bcm_enet_stop(struct net_devi - if (priv->has_phy) - phy_disconnect(dev->phydev); - -+ /* reset BQL after forced tx reclaim to not kernel panic */ -+ netdev_reset_queue(dev); -+ - return 0; - } - -@@ -2348,7 +2350,6 @@ static int bcm_enetsw_stop(struct net_de - - del_timer_sync(&priv->swphy_poll); - netif_stop_queue(dev); -- netdev_reset_queue(dev); - napi_disable(&priv->napi); - del_timer_sync(&priv->rx_timeout); - -@@ -2376,6 +2377,9 @@ static int bcm_enetsw_stop(struct net_de - free_irq(priv->irq_tx, dev); - free_irq(priv->irq_rx, dev); - -+ /* reset BQL after forced tx reclaim to not kernel panic */ -+ netdev_reset_queue(dev); -+ - return 0; - } - |