[PATCH v2] board: rzg2l: Check the DTB pointer passed by the TF-A.

[Marek Vasut]

On 9/22/25 6:29 PM, Mathieu Othacehe wrote:
> On the RZG2L platform, the advised
> TF-A (https://github.com/renesas-rz/rzg_trusted-firmware-a/tree/v2.5/rzg2l)
> does not pass any DTB blob to U-Boot.
> 
> On the other hand, the RZG2L part of U-Boot expects a DTB to be passed.  It
> means that if one flashes the latest TF-A as well as the mainline U-Boot,
> it will crash trying to dereference the NULL DTB pointer before outputing
> anything.
> 
> Check if the DTB pointer is NULL before trying to use it.
> 
> Signed-off-by: Mathieu Othacehe <othacehe at gnu.org>

Reviewed-by: Marek Vasut <marek.vasut+renesas at mailbox.org>

Thanks !