netdev - [net-next 10/15] i40e: not all VSIs have rings

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 for Android: free password hash cracker in your pocket

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

Date:	Sun,  8 Jun 2014 07:33:52 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	davem@...emloft.net
Cc:	Mitch Williams <mitch.a.williams@...el.com>,
	netdev@...r.kernel.org, gospo@...hat.com, sassmann@...hat.com,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next 10/15] i40e: not all VSIs have rings

From: Mitch Williams <mitch.a.williams@...el.com>

Once more, with feeling: not all VSIs have rings. To assume so is to
invite null pointers to your party.

Change-ID: I576858824468d9712d119fa1015a1f28c27712c4
Signed-off-by: Mitch Williams <mitch.a.williams@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
 drivers/net/ethernet/intel/i40e/i40e_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index a8c9612..4502734 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -657,7 +657,7 @@ static void i40e_update_link_xoff_rx(struct i40e_pf *pf)
 	for (v = 0; v < pf->hw.func_caps.num_vsis; v++) {
 		struct i40e_vsi *vsi = pf->vsi[v];
 
-		if (!vsi)
+		if (!vsi || !vsi->tx_rings[0])
 			continue;
 
 		for (i = 0; i < vsi->num_queue_pairs; i++) {
@@ -711,7 +711,7 @@ static void i40e_update_prio_xoff_rx(struct i40e_pf *pf)
 	for (v = 0; v < pf->hw.func_caps.num_vsis; v++) {
 		struct i40e_vsi *vsi = pf->vsi[v];
 
-		if (!vsi)
+		if (!vsi || !vsi->tx_rings[0])
 			continue;
 
 		for (i = 0; i < vsi->num_queue_pairs; i++) {
-- 
1.9.3

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html