diff options
Diffstat (limited to 'target/linux/bcm4908/patches-5.4/073-v5.12-0010-net-broadcom-bcm4908_enet-fix-RX-path-possible-mem-l.patch')
| -rw-r--r-- | target/linux/bcm4908/patches-5.4/073-v5.12-0010-net-broadcom-bcm4908_enet-fix-RX-path-possible-mem-l.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0010-net-broadcom-bcm4908_enet-fix-RX-path-possible-mem-l.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0010-net-broadcom-bcm4908_enet-fix-RX-path-possible-mem-l.patch new file mode 100644 index 0000000000..8a24324122 --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0010-net-broadcom-bcm4908_enet-fix-RX-path-possible-mem-l.patch @@ -0,0 +1,30 @@ +From 4dc7f09b8becfa35a55430a49d95acf19f996e6b Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Wed, 24 Feb 2021 16:18:41 +0100 +Subject: [PATCH] net: broadcom: bcm4908_enet: fix RX path possible mem leak +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +After filling RX ring slot with new skb it's required to free old skb. +Immediately on error or later in the net subsystem. + +Fixes: 4feffeadbcb2 ("net: broadcom: bcm4908enet: add BCM4908 controller driver") +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Acked-by: Florian Fainelli <f.fainelli@gmail.com> +Link: https://lore.kernel.org/r/20210224151842.2419-1-zajec5@gmail.com +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/ethernet/broadcom/bcm4908_enet.c | 1 + + 1 file changed, 1 insertion(+) + +--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c ++++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c +@@ -570,6 +570,7 @@ static int bcm4908_enet_poll(struct napi + + if (len < ETH_ZLEN || + (ctl & (DMA_CTL_STATUS_SOP | DMA_CTL_STATUS_EOP)) != (DMA_CTL_STATUS_SOP | DMA_CTL_STATUS_EOP)) { ++ kfree_skb(slot.skb); + enet->netdev->stats.rx_dropped++; + break; + } |