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usb: chipidea: fix static checker warning for NULL pointer 

During the static checker, "data->usbmisc_data" may be NULL.
Fix it by adding this pointer judgement before using.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Chen 2019-01-17 09:24:20 +00:00 committed by Greg Kroah-Hartman
parent a817c59e82
commit 8ff396fe56
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/chipidea/ci_hdrc_imx.c
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@ -316,7 +316,8 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
if (IS_ERR(data->usbmisc_data))
return PTR_ERR(data->usbmisc_data);
if (of_usb_get_phy_mode(dev->of_node) == USBPHY_INTERFACE_MODE_HSIC) {
if ((of_usb_get_phy_mode(dev->of_node) == USBPHY_INTERFACE_MODE_HSIC)
&& data->usbmisc_data) {
pdata.flags |= CI_HDRC_IMX_IS_HSIC;
data->usbmisc_data->hsic = 1;
data->pinctrl = devm_pinctrl_get(dev);