[PATCH] pci: layerscape: Change to allocate zeroed memery for struct ls_pcie

[Vladimir Oltean]

On Thu, Mar 11, 2021 at 03:30:51PM +0800, Zhiqiang Hou wrote:
> From: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
> 
> As on some incipient Layerscape platforms (LS1043A series) there isn't
> separate PF control register block, these registers reside in the LUT
> register block, so when the driver detected there isn't 'ctrl', it will
> assign the 'lut' address to the ls_pcie->ctrl.
> 
> The current code allocate memory for the struct ls_pcie with random
> contents, this can result in skipping to assign the ls_pcie->ctrl with
> the 'lut' address, then further crash with the incorrect address.
> 
> Fixes: 118e58e26eba ("pci: layerscape: Split the EP and RC driver")
> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
> ---

Reviewed-by: Vladimir Oltean <vladimir.oltean at nxp.com>