From: Claudiu Beznea claudiu.beznea@microchip.com
[ Upstream commit b1356ed1a4461de06dfdc02bf549c3e8750162e5 ]
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: 2046338dcbc6 ("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.... Signed-off-by: Stephen Boyd sboyd@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/clk/xilinx/clk-xlnx-clock-wizard.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/clk/xilinx/clk-xlnx-clock-wizard.c b/drivers/clk/xilinx/clk-xlnx-clock-wizard.c index 16df34f46280f..d56822ce6126c 100644 --- a/drivers/clk/xilinx/clk-xlnx-clock-wizard.c +++ b/drivers/clk/xilinx/clk-xlnx-clock-wizard.c @@ -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,