Re: [PATCH][next] clk: ti: check for null return in strrchr to avoid null dereferencing

From: Stephen Boyd
Date: Thu Aug 31 2017 - 21:45:24 EST


On 07/27, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> strrchr can potentially return a null so the following strlen on the
> null pointer can cause a null dereference. Add a check to see if
> the string postfix is not null before calling strlen.
>
> Detected by CoverityScan, CID#1452039 ("Dereference null return")
>
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---

Applied to clk-next

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