[U-Boot] [PATCH v1] tpm: Fix uclass_first_device error handling

[Simon Glass]

Hi Mario,

On 30 March 2016 at 02:22, Mario Six <mario.six at gdsys.cc> wrote:
> uclass_first_device might return NULL for the device despite a zero
> return code. Currently, this might lead to null pointer dereferencing,
> since the returned device is not properly checked.
>
> Hence, always check if the device returned from uclass_first_device is
> NULL and return -ENODEV if it is.
>
> Signed-off-by: Mario Six <mario.six at gdsys.cc>
> ---
>  lib/tpm.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)

Thanks for the patch. But can you please use uclass_first_device_err()?

Regards,
Simon