diff options
Diffstat (limited to 'drivers/net/ipa/ipa_modem.c')
| -rw-r--r-- | drivers/net/ipa/ipa_modem.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/net/ipa/ipa_modem.c b/drivers/net/ipa/ipa_modem.c index ad4019e8016e..06e44afd2cf6 100644 --- a/drivers/net/ipa/ipa_modem.c +++ b/drivers/net/ipa/ipa_modem.c @@ -45,7 +45,9 @@ static int ipa_open(struct net_device *netdev) struct ipa *ipa = priv->ipa; int ret; - ipa_clock_get(ipa); + ret = ipa_clock_get(ipa); + if (WARN_ON(ret < 0)) + goto err_clock_put; ret = ipa_endpoint_enable_one(ipa->name_map[IPA_ENDPOINT_AP_MODEM_TX]); if (ret) @@ -62,7 +64,7 @@ static int ipa_open(struct net_device *netdev) err_disable_tx: ipa_endpoint_disable_one(ipa->name_map[IPA_ENDPOINT_AP_MODEM_TX]); err_clock_put: - ipa_clock_put(ipa); + (void)ipa_clock_put(ipa); return ret; } @@ -78,7 +80,7 @@ static int ipa_stop(struct net_device *netdev) ipa_endpoint_disable_one(ipa->name_map[IPA_ENDPOINT_AP_MODEM_RX]); ipa_endpoint_disable_one(ipa->name_map[IPA_ENDPOINT_AP_MODEM_TX]); - ipa_clock_put(ipa); + (void)ipa_clock_put(ipa); return 0; } @@ -297,7 +299,9 @@ static void ipa_modem_crashed(struct ipa *ipa) struct device *dev = &ipa->pdev->dev; int ret; - ipa_clock_get(ipa); + ret = ipa_clock_get(ipa); + if (WARN_ON(ret < 0)) + goto out_clock_put; ipa_endpoint_modem_pause_all(ipa, true); @@ -324,7 +328,8 @@ static void ipa_modem_crashed(struct ipa *ipa) if (ret) dev_err(dev, "error %d zeroing modem memory regions\n", ret); - ipa_clock_put(ipa); +out_clock_put: + (void)ipa_clock_put(ipa); } static int ipa_modem_notify(struct notifier_block *nb, unsigned long action, |