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authorPeter Chen <peter.chen@nxp.com>2019-01-17 09:24:20 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-18 09:35:33 +0100
commit8ff396fe56f5593640a8ce7223cac33a2cda619e (patch)
tree9b3fa199793dd0236c2b5e4a0707ed9ef77114f9 /drivers/usb
parenta817c59e8273e555acb5cbccc75f5b57c27e3da9 (diff)
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>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/chipidea/ci_hdrc_imx.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
index e81de9ca8729..9b45aa422e69 100644
--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -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);