drm/v3d: Fix potential memory leak in the timestamp extension
If fetching of userspace memory fails during the main loop, all drm sync objs looked up until that point will be leaked because of the missing drm_syncobj_put. Fix it by exporting and using a common cleanup helper. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com> Fixes: 9ba0ff3e ("drm/v3d: Create a CPU job extension for the timestamp query job") Cc: Maíra Canal <mcanal@igalia.com> Cc: Iago Toral Quiroga <itoral@igalia.com> Cc: stable@vger.kernel.org # v6.8+ Reviewed-by: Maíra Canal <mcanal@igalia.com> Signed-off-by: Maíra Canal <mcanal@igalia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240711135340.84617-3-tursulin@igalia.com
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