Tom Lendacky <thomas.lendacky@xxxxxxx> wrote:
> Should the PSP initialization fail, the PSP data structure will be
> freed and the value contained in the sp_device struct set to NULL.
> At module unload, psp_dev_destroy() does not check if the pointer
> value is NULL and will end up dereferencing a NULL pointer.
>
> Add a pointer check of the psp_data field in the sp_device struct
> in psp_dev_destroy() and return immediately if it is NULL.
>
> Cc: <stable@xxxxxxxxxxxxxxx> # 4.16.x-
> Fixes: 2a6170dfe755 ("crypto: ccp: Add Platform Security Processor (PSP) device support")
> Signed-off-by: Tom Lendacky <thomas.lendacky@xxxxxxx>
Patch applied. Thanks.
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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