i2c: jz4780: prevent potential division by zero



Make sure we don't OOPS in case clock-frequency is set to 0 in a DT. The
variable set here is later used as a divisor.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

parent 39b132b0

drivers/i2c/busses/i2c-jz4780.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -770,7 +770,7 @@ static int jz4780_i2c_probe(struct platform_device *pdev)

		ret = of_property_read_u32(pdev->dev.of_node, "clock-frequency",
		&clk_freq);
		if (ret) {
		if (ret \|\| clk_freq == 0) {
		dev_err(&pdev->dev, "clock-frequency not specified in DT");
		goto err;
		}