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

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
......@@ -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;
}
......
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