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

From: [email-masked] (Stephen Boyd)
Date: Wed, 10 Jan 2018 13:18:44 -0800

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);

Can this script be put into scripts/coccinelle/? I'd like to be
able to run it instead of getting emails from you after patches
merge.

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