drm/amdkfd: return -ENOTTY for unsupported IOCTLs

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[ Upstream commit 57af162bfc ]

Some kfd ioctls may not be available depending on the kernel version the
user is running, as such we need to report -ENOTTY so userland can
determine the cause of the ioctl failure.

Signed-off-by: Geoffrey McRae <geoffrey.mcrae@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Geoffrey McRae 2025-07-08 13:53:40 +10:00 • committed by Greg Kroah-Hartman

parent a6440ccd72

commit 6cf92b484b

1 changed files with 6 additions and 2 deletions

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drivers/gpu/drm/amd/amdkfd/kfd_chardev.c

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