diff options
| author | David Jander <david@protonic.nl> | 2016-01-07 10:55:00 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2016-01-08 08:52:02 +0100 |
| commit | 0295088d53cd605aaf2a2accfd65c19c0f8a0cf0 (patch) | |
| tree | 47c76453711f8897ee4b38f745f5848890a666e5 /drivers/usb | |
| parent | f1da98da2760c21487bbba8f7fb957c843a22896 (diff) | |
| download | barebox-0295088d53cd605aaf2a2accfd65c19c0f8a0cf0.tar.gz barebox-0295088d53cd605aaf2a2accfd65c19c0f8a0cf0.tar.xz | |
usb: chipidea-imx: check return value of regulator_get()
The VBUS regulator is optional for the chipidea-imx glue, so it must
be checked if regulator_get provided a valid regulator handle before
trying to enable the regulator.
Signed-off-by: David Jander <david@protonic.nl>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/imx/chipidea-imx.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/imx/chipidea-imx.c b/drivers/usb/imx/chipidea-imx.c index ae307183bc..a1c36cf644 100644 --- a/drivers/usb/imx/chipidea-imx.c +++ b/drivers/usb/imx/chipidea-imx.c @@ -242,7 +242,8 @@ static int imx_chipidea_probe(struct device_d *dev) ci->vbus = regulator_get(dev, "vbus"); - regulator_enable(ci->vbus); + if (!IS_ERR(ci->vbus)) + regulator_enable(ci->vbus); base = dev_request_mem_region(dev, 0); if (IS_ERR(base)) |