Hello Dinh Nguyen,
The patch 8d736d8a9c44: "usb: dwc2: gadget: Do not fail probe if
there isn't a clock node" from Nov 11, 2014, leads to the following
static checker warning:
drivers/usb/dwc2/gadget.c:3436 dwc2_gadget_init()
warn: passing zero to 'PTR_ERR'
drivers/usb/dwc2/gadget.c
3432 hsotg->clk = devm_clk_get(dev, "otg");
3433 if (IS_ERR(hsotg->clk)) {
3434 hsotg->clk = NULL;
You need to preserve the error code. NULL means zero means success.
3435 dev_err(dev, "cannot get otg clock\n");
3436 return PTR_ERR(hsotg->clk);
3437 }
regards,
dan carpenter
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