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clk: clocking-wizard: check return value of devm_kasprintf()

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devm_kasprintf() returns a pointer to dynamically allocated memory.
Pointer could be NULL in case allocation fails. Check pointer validity.
Identified with coccinelle (kmerr.cocci script).

Fixes: 2046338dcb ("ARM: mxs: Use soc bus infrastructure")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230530093913.1656095-9-claudiu.beznea@microchip.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Claudiu Beznea 2023-05-30 12:39:13 +03:00 committed by Stephen Boyd
parent bd46cd0b80
commit b1356ed1a4
1 changed files with 5 additions and 0 deletions
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5
drivers/clk/xilinx/clk-xlnx-clock-wizard.c
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@ -648,6 +648,11 @@ static int clk_wzrd_probe(struct platform_device *pdev)
}
clkout_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_out0", dev_name(&pdev->dev));
if (!clkout_name) {
ret = -ENOMEM;
goto err_disable_clk;
}
if (nr_outputs == 1) {
clk_wzrd->clkout[0] = clk_wzrd_register_divider
(&pdev->dev, clkout_name,