From 108a653730e4c654bd0815276276e59ea0d64578 Mon Sep 17 00:00:00 2001 From: Grygorii Strashko Date: Fri, 24 Jun 2016 21:23:42 +0300 Subject: [PATCH] drivers: net: cpsw: check return code from pm runtime calls Add missed check of return code from PM runtime get() calls. Signed-off-by: Grygorii Strashko Signed-off-by: David S. Miller --- 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 6e0f0c6636db..4e3d51922248 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -1252,7 +1252,11 @@ 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); @@ -2312,7 +2316,11 @@ 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);