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drm/syncobj: reject invalid flags in drm_syncobj_find_fence

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The only flag that is meaningful to drm_syncobj_find_fence is
DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT. It should return -EINVAL for any
other flag bits.

Signed-off-by: Erik Kurzinger <ekurzinger@nvidia.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Simon Ser <contact@emersion.fr>
Link: https://patchwork.freedesktop.org/patch/msgid/20240119163208.3723457-2-ekurzinger@nvidia.com
This commit is contained in:
Erik Kurzinger 2024-01-19 08:32:07 -08:00 committed by Simon Ser
parent 8c44ea8163
commit 18226ba521
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/drm_syncobj.c
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@ -441,6 +441,9 @@ int drm_syncobj_find_fence(struct drm_file *file_private,
u64 timeout = nsecs_to_jiffies64(DRM_SYNCOBJ_WAIT_FOR_SUBMIT_TIMEOUT);
int ret;
if (flags & ~DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT)
return -EINVAL;
if (!syncobj)
return -ENOENT;