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| author | Fabio Estevam <fabio.estevam@nxp.com> | 2016-08-22 22:45:36 -0300 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2016-09-05 13:39:23 +0300 |
| commit | 7c113f7df710df2aed63709815e518608dbd338c (patch) | |
| tree | 8f796be14df11f2fd7fca795f7594edbba3e830c | |
| parent | b2f1eaaee564c5593c303f4d15d827924cb6d20d (diff) | |
| download | linux-stable-7c113f7df710df2aed63709815e518608dbd338c.tar.gz linux-stable-7c113f7df710df2aed63709815e518608dbd338c.tar.bz2 linux-stable-7c113f7df710df2aed63709815e518608dbd338c.zip | |
usb: phy: phy-generic: Check clk_prepare_enable() error
clk_prepare_enable() may fail, so we should better check its return
value and propagate it in the case of failure.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
| -rw-r--r-- | drivers/usb/phy/phy-generic.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c index 980c9dee09eb..427efb5eebae 100644 --- a/drivers/usb/phy/phy-generic.c +++ b/drivers/usb/phy/phy-generic.c @@ -144,14 +144,18 @@ static irqreturn_t nop_gpio_vbus_thread(int irq, void *data) int usb_gen_phy_init(struct usb_phy *phy) { struct usb_phy_generic *nop = dev_get_drvdata(phy->dev); + int ret; if (!IS_ERR(nop->vcc)) { if (regulator_enable(nop->vcc)) dev_err(phy->dev, "Failed to enable power\n"); } - if (!IS_ERR(nop->clk)) - clk_prepare_enable(nop->clk); + if (!IS_ERR(nop->clk)) { + ret = clk_prepare_enable(nop->clk); + if (ret) + return ret; + } nop_reset(nop); |