[PATCH v19 17/30] drm/panfrost: Fix the error path in panfrost_mmu_map_fault_addr()

[AngeloGioacchino Del Regno]

Il 05/01/24 19:46, Dmitry Osipenko ha scritto:
> From: Boris Brezillon <boris.brezillon at collabora.com>
> 
> If some the pages or sgt allocation failed, we shouldn't release the
> pages ref we got earlier, otherwise we will end up with unbalanced
> get/put_pages() calls. We should instead leave everything in place
> and let the BO release function deal with extra cleanup when the object
> is destroyed, or let the fault handler try again next time it's called.
> 
> Fixes: 187d2929206e ("drm/panfrost: Add support for GPU heap allocations")
> Cc: <stable at vger.kernel.org>
> Signed-off-by: Boris Brezillon <boris.brezillon at collabora.com>
> Co-developed-by: Dmitry Osipenko <dmitry.osipenko at collabora.com>
> Signed-off-by: Dmitry Osipenko <dmitry.osipenko at collabora.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>