netdev - [net 1/9] igb: XDP xmit back fix error code

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20201210010252.4029245-2-anthony.l.nguyen@intel.com>
Date:   Wed,  9 Dec 2020 17:02:44 -0800
From:   Tony Nguyen <anthony.l.nguyen@...el.com>
To:     davem@...emloft.net, kuba@...nel.org
Cc:     Sven Auhagen <sven.auhagen@...eatech.de>, netdev@...r.kernel.org,
        sassmann@...hat.com, anthony.l.nguyen@...el.com,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Maciej Fijalkowski <maciej.fijalkowski@...el.com>,
        Sandeep Penigalapati <sandeep.penigalapati@...el.com>
Subject: [net 1/9] igb: XDP xmit back fix error code

From: Sven Auhagen <sven.auhagen@...eatech.de>

The igb XDP xmit back function should only return
defined error codes.

Fixes: 9cbc948b5a20 ("igb: add XDP support")
Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
Acked-by: Maciej Fijalkowski <maciej.fijalkowski@...el.com>
Signed-off-by: Sven Auhagen <sven.auhagen@...eatech.de>
Tested-by: Sandeep Penigalapati <sandeep.penigalapati@...el.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
---
 drivers/net/ethernet/intel/igb/igb_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 5fc2c381da55..08cc6f59aa2e 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -2910,7 +2910,7 @@ static int igb_xdp_xmit_back(struct igb_adapter *adapter, struct xdp_buff *xdp)
 	 */
 	tx_ring = adapter->xdp_prog ? igb_xdp_tx_queue_mapping(adapter) : NULL;
 	if (unlikely(!tx_ring))
-		return -ENXIO;
+		return IGB_XDP_CONSUMED;
 
 	nq = txring_txq(tx_ring);
 	__netif_tx_lock(nq, cpu);
-- 
2.26.2