Commit 34cf2acd authored by Wolfram Sang's avatar Wolfram Sang
Browse files

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: default avatarWolfram 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;

	}

CRA Git | Maintained and supported by SUSTech CRA and CCSE