[PATCH net v2] net: sparx5: do not refer to skb after passing it on

[PATCH net v2] net: sparx5: do not refer to skb after passing it on

[Steen Hegelund]

Do not try to use any SKB fields after the packet has been passed up in the
receive stack.

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
---
 drivers/net/ethernet/microchip/sparx5/sparx5_packet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c b/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c
index dc7e5ea6ec15..148d431fcde4 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c
@@ -145,9 +145,9 @@ static void sparx5_xtr_grp(struct sparx5 *sparx5, u8 grp, bool byte_swap)
 	skb_put(skb, byte_cnt - ETH_FCS_LEN);
 	eth_skb_pad(skb);
 	skb->protocol = eth_type_trans(skb, netdev);
-	netif_rx(skb);
 	netdev->stats.rx_bytes += skb->len;
 	netdev->stats.rx_packets++;
+	netif_rx(skb);
 }

 static int sparx5_inject(struct sparx5 *sparx5,
--
2.35.1


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[PATCH net v2] net: sparx5: do not refer to skb after passing it on

[Steen Hegelund]

Do not try to use any SKB fields after the packet has been passed up in the
receive stack.

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
---
 drivers/net/ethernet/microchip/sparx5/sparx5_packet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c b/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c
index dc7e5ea6ec15..148d431fcde4 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c
@@ -145,9 +145,9 @@ static void sparx5_xtr_grp(struct sparx5 *sparx5, u8 grp, bool byte_swap)
 	skb_put(skb, byte_cnt - ETH_FCS_LEN);
 	eth_skb_pad(skb);
 	skb->protocol = eth_type_trans(skb, netdev);
-	netif_rx(skb);
 	netdev->stats.rx_bytes += skb->len;
 	netdev->stats.rx_packets++;
+	netif_rx(skb);
 }

 static int sparx5_inject(struct sparx5 *sparx5,
--
2.35.1

Re: [PATCH net v2] net: sparx5: do not refer to skb after passing it on

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@kernel.org>:

On Wed, 2 Feb 2022 09:30:39 +0100 you wrote:
> Do not try to use any SKB fields after the packet has been passed up in the
> receive stack.
> 
> Reported-by: kernel test robot <lkp@intel.com>
> Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
> Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
> 
> [...]

Here is the summary with links:
  - [net,v2] net: sparx5: do not refer to skb after passing it on
    https://git.kernel.org/netdev/net/c/81eb8b0b1878

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



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Re: [PATCH net v2] net: sparx5: do not refer to skb after passing it on

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@kernel.org>:

On Wed, 2 Feb 2022 09:30:39 +0100 you wrote:
> Do not try to use any SKB fields after the packet has been passed up in the
> receive stack.
> 
> Reported-by: kernel test robot <lkp@intel.com>
> Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
> Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
> 
> [...]

Here is the summary with links:
  - [net,v2] net: sparx5: do not refer to skb after passing it on
    https://git.kernel.org/netdev/net/c/81eb8b0b1878

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html