[PATCH -next] clk: meson-axg: fix potential NULL dereference in axg_clkc_probe()

Stephen Boyd sboyd at codeaurora.org
Wed Jan 10 13:24:56 PST 2018


On 01/05, Wei Yongjun wrote:
> platform_get_resource() may return NULL, add proper
> check to avoid potential NULL dereferencing.
> 
> This is detected by Coccinelle semantic patch.
> 
> @@
> expression pdev, res, n, t, e, e1, e2;
> @@
> 
> res = platform_get_resource(pdev, t, n);
> + if (!res)
> +   return -EINVAL;
> ... when != res == NULL
> e = devm_ioremap(e1, res->start, e2);
> 
> Signed-off-by: Wei Yongjun <weiyongjun1 at huawei.com>
> ---

Applied to clk-next

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