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e5478166df
nouveau_drm_ioctl() only checks the _IOC_NR() bits in the
DRM_NOUVEAU_NVIF command, but ignores the type and direction bits, so any
command with '7' in the low eight bits gets passed into
nouveau_abi16_ioctl() instead of drm_ioctl().
Check for all the bits except the size that is handled inside of the
handler.
Fixes: 27111a23d0 ("drm/nouveau: expose the full object/event interfaces to userspace")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[ Fix up two checkpatch warnings and a typo. - Danilo ]
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Link: https://lore.kernel.org/r/20250711072458.2665325-1-arnd@kernel.org