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| author |  Rafał Miłecki <rafal@milecki.pl>
| 2021-02-24 16:18:41 +0100 |
|---|---|---|
| committer |  Jakub Kicinski <kuba@kernel.org>
| 2021-02-25 09:45:01 -0800 |
| commit | 4dc7f09b8becfa35a55430a49d95acf19f996e6b (patch) | |
| tree | 62ec44d63416c1c6cf0d95c7397bfcf631d09ea0 /drivers/net/ethernet/broadcom/bcm4908_enet.c | |
| parent | net: hsr: add support for EntryForgetTime (diff) | |
| download | linux-4dc7f09b8becfa35a55430a49d95acf19f996e6b.tar.gz linux-4dc7f09b8becfa35a55430a49d95acf19f996e6b.tar.bz2 linux-4dc7f09b8becfa35a55430a49d95acf19f996e6b.zip | |
net: broadcom: bcm4908_enet: fix RX path possible mem leak
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>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bcm4908_enet.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bcm4908_enet.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bcm4908_enet.c b/drivers/net/ethernet/broadcom/bcm4908_enet.c index 9be33dc98072..7983c7a9fca9 100644 --- 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_struct *napi, int weight) 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; } |