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authorBoris Brezillon <boris.brezillon@collabora.com>2020-01-07 12:30:31 +0100
committerBoris Brezillon <boris.brezillon@collabora.com>2020-01-07 14:19:54 +0100
commitb18398c16e176513502f962b642f89225039ef1f (patch)
tree2425c057a17c762c7491456e8aca9197196c8d13 /tools/perf/scripts/python/export-to-postgresql.py
parentdrm/mgag200: Add module parameter to pin all buffers at offset 0 (diff)
downloadwireguard-linux-b18398c16e176513502f962b642f89225039ef1f.tar.xz
wireguard-linux-b18398c16e176513502f962b642f89225039ef1f.zip
drm/bridge: Fix a NULL pointer dereference in drm_atomic_bridge_chain_check()
drm_atomic_bridge_chain_check() callers can pass a NULL bridge. Let's bail out before dereferencing the bridge pointer when that happens. Reported-by: Chris Wilson <chris@chris-wilson.co.uk> Fixes: b86d895524ab ("drm/bridge: Add an ->atomic_check() hook") Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20200107113031.435604-1-boris.brezillon@collabora.com
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