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path: root/drivers/net/ipa/ipa_modem.c
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Diffstat (limited to 'drivers/net/ipa/ipa_modem.c')
-rw-r--r--drivers/net/ipa/ipa_modem.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/net/ipa/ipa_modem.c b/drivers/net/ipa/ipa_modem.c
index 4ea8287e9d23..663a610979e7 100644
--- a/drivers/net/ipa/ipa_modem.c
+++ b/drivers/net/ipa/ipa_modem.c
@@ -178,6 +178,9 @@ void ipa_modem_suspend(struct net_device *netdev)
struct ipa_priv *priv = netdev_priv(netdev);
struct ipa *ipa = priv->ipa;
+ if (!(netdev->flags & IFF_UP))
+ return;
+
netif_stop_queue(netdev);
ipa_endpoint_suspend_one(ipa->name_map[IPA_ENDPOINT_AP_MODEM_RX]);
@@ -194,6 +197,9 @@ void ipa_modem_resume(struct net_device *netdev)
struct ipa_priv *priv = netdev_priv(netdev);
struct ipa *ipa = priv->ipa;
+ if (!(netdev->flags & IFF_UP))
+ return;
+
ipa_endpoint_resume_one(ipa->name_map[IPA_ENDPOINT_AP_MODEM_TX]);
ipa_endpoint_resume_one(ipa->name_map[IPA_ENDPOINT_AP_MODEM_RX]);
@@ -265,9 +271,11 @@ int ipa_modem_stop(struct ipa *ipa)
/* Prevent the modem from triggering a call to ipa_setup() */
ipa_smp2p_disable(ipa);
- /* Stop the queue and disable the endpoints if it's open */
+ /* Clean up the netdev and endpoints if it was started */
if (netdev) {
- (void)ipa_stop(netdev);
+ /* If it was opened, stop it first */
+ if (netdev->flags & IFF_UP)
+ (void)ipa_stop(netdev);
ipa->name_map[IPA_ENDPOINT_AP_MODEM_RX]->netdev = NULL;
ipa->name_map[IPA_ENDPOINT_AP_MODEM_TX]->netdev = NULL;
ipa->modem_netdev = NULL;