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drivers: net: cpsw: check return code from pm runtime calls

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

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Grygorii Strashko 2016-06-24 21:23:42 +03:00 committed by David S. Miller
parent 1f95ba000c
commit 108a653730
1 changed files with 10 additions and 2 deletions
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12
drivers/net/ethernet/ti/cpsw.c
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@ -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);