[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with [1/4] dma-buf: change DMA-buf locking convention v2

[Patchwork]

== Series Details ==

Series: series starting with [1/4] dma-buf: change DMA-buf locking convention v2
URL   : https://patchwork.freedesktop.org/series/68330/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
d8e1ae91bced dma-buf: change DMA-buf locking convention v2
-:374: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Christian König <ckoenig.leichtzumerken at gmail.com>'

total: 0 errors, 1 warnings, 0 checks, 316 lines checked
8e66d2945c28 dma-buf: stop using the dmabuf->lock so much
-:82: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Christian König <ckoenig.leichtzumerken at gmail.com>'

total: 0 errors, 1 warnings, 0 checks, 58 lines checked
126819454efd drm/amdgpu: add independent DMA-buf export v7
-:291: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Christian König <ckoenig.leichtzumerken at gmail.com>'

total: 0 errors, 1 warnings, 0 checks, 245 lines checked
24892628be48 drm/amdgpu: add independent DMA-buf import v8
-:220: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Christian König <ckoenig.leichtzumerken at gmail.com>'

total: 0 errors, 1 warnings, 0 checks, 168 lines checked