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drm/panfrost: Put mapping instead of shmem obj on panfrost_mmu_map_fault_addr() error

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commit fb6e0637ab7ebd8e61fe24f4d663c4bae99cfa62 upstream.

When panfrost_mmu_map_fault_addr() fails, the BO's mapping should be
unreferenced and not the shmem object which backs the mapping.

Cc: stable@vger.kernel.org
Fixes: bdefca2d8d ("drm/panfrost: Add the panfrost_gem_mapping concept")
Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220630200601.1884120-2-dmitry.osipenko@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dmitry Osipenko
2022-06-30 23:06:00 +03:00
committed by Greg Kroah-Hartman
parent c1ea39a77c
commit 2e760fe05d
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/panfrost/panfrost_mmu.c
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@@ -491,7 +491,7 @@ err_map:
err_pages: err_pages:
drm_gem_shmem_put_pages(&bo->base); drm_gem_shmem_put_pages(&bo->base);
err_bo: err_bo:
drm_gem_object_put(&bo->base.base); panfrost_gem_mapping_put(bomapping);
return ret; return ret;
} }