diff --git a/drivers/usb/dwc3/dwc3-octeon.c b/drivers/usb/dwc3/dwc3-octeon.c
index 6f47262a117a..73bdcebf465c 100644
--- a/drivers/usb/dwc3/dwc3-octeon.c
+++ b/drivers/usb/dwc3/dwc3-octeon.c
@@ -251,11 +251,11 @@ static int dwc3_octeon_get_divider(void)
 	while (div < ARRAY_SIZE(clk_div)) {
 		uint64_t rate = octeon_get_io_clock_rate() / clk_div[div];
 		if (rate <= 300000000 && rate >= 150000000)
-			break;
+			return div;
 		div++;
 	}
 
-	return div;
+	return -EINVAL;
 }
 
 static int dwc3_octeon_setup(struct dwc3_octeon *octeon,
@@ -289,6 +289,10 @@ static int dwc3_octeon_setup(struct dwc3_octeon *octeon,
 
 	/* Step 4b: Select controller clock frequency. */
 	div = dwc3_octeon_get_divider();
+	if (div < 0) {
+		dev_err(dev, "clock divider invalid\n");
+		return div;
+	}
 	val = dwc3_octeon_readq(uctl_ctl_reg);
 	val &= ~USBDRD_UCTL_CTL_H_CLKDIV_SEL;
 	val |= FIELD_PREP(USBDRD_UCTL_CTL_H_CLKDIV_SEL, div);