[PATCH 02/15] drivers: net: cpsw: check return code from pm runtime calls

Grygorii Strashko
2016-06-15T12:01:07Z

Add missed check of return codes from PM runtime get() calls.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
---
drivers/net/ethernet/ti/cpsw.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 736c77a..c76f9db 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -1253,7 +1253,11 @@ static int cpsw_ndo_open(struct net_device *ndev)
int i, ret;
u32 reg;

- pm_runtime_get_sync(&priv->pdev->dev);
+ ret = pm_runtime_get_sync(&priv->pdev->dev);
+ if (ret < 0) {
+ pm_runtime_put_noidle(&priv->pdev->dev);
+ return ret;
+ }

if (!cpsw_common_res_usage_state(priv))
cpsw_intr_disable(priv);
@@ -2322,7 +2326,11 @@ static int cpsw_probe(struct platform_device *pdev)
/* Need to enable clocks with runtime PM api to access module
* registers
*/
- pm_runtime_get_sync(&pdev->dev);
+ ret = pm_runtime_get_sync(&pdev->dev);
+ if (ret < 0) {
+ pm_runtime_put_noidle(&pdev->dev);
+ goto clean_runtime_disable_ret;
+ }
priv->version = readl(&priv->regs->id_ver);
pm_runtime_put_sync(&pdev->dev);

--
2.8.4