diff mbox series

[5.8,035/633] chelsio/chtls: Fix panic when listen on multiadapter

Message ID 20201027135524.343801775@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Oct. 27, 2020, 1:46 p.m. UTC 
From: Vinay Kumar Yadav <vinay.yadav@chelsio.com>

[ Upstream commit 9819f22c410b4bf6589d3126e8bc3952db507cbf ]

Add the logic to compare net_device returned by ip_dev_find()
with the net_device list in cdev->ports[] array and return
net_device if matched else NULL.

Fixes: 6abde0b24122 ("crypto/chtls: IPv6 support for inline TLS")
Signed-off-by: Venkatesh Ellapu <venkatesh.e@chelsio.com>
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/crypto/chelsio/chtls/chtls_cm.c |   10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)
diff mbox series

Patch

--- a/drivers/crypto/chelsio/chtls/chtls_cm.c
+++ b/drivers/crypto/chelsio/chtls/chtls_cm.c
@@ -92,11 +92,13 @@  static void chtls_sock_release(struct kr
 static struct net_device *chtls_find_netdev(struct chtls_dev *cdev,
 					    struct sock *sk)
 {
+	struct adapter *adap = pci_get_drvdata(cdev->pdev);
 	struct net_device *ndev = cdev->ports[0];
 #if IS_ENABLED(CONFIG_IPV6)
 	struct net_device *temp;
 	int addr_type;
 #endif
+	int i;
 
 	switch (sk->sk_family) {
 	case PF_INET:
@@ -127,8 +129,12 @@  static struct net_device *chtls_find_net
 		return NULL;
 
 	if (is_vlan_dev(ndev))
-		return vlan_dev_real_dev(ndev);
-	return ndev;
+		ndev = vlan_dev_real_dev(ndev);
+
+	for_each_port(adap, i)
+		if (cdev->ports[i] == ndev)
+			return ndev;
+	return NULL;
 }
 
 static void assign_rxopt(struct sock *sk, unsigned int opt)