drm/nouveau: fifo: Avoid -Wflex-array-member-not-at-end warning

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-Wflex-array-member-not-at-end was introduced in GCC-14, and we are
getting ready to enable it, globally.

Use the new TRAILING_OVERLAP() helper to fix the following warning:

drivers/gpu/drm/nouveau/nvif/fifo.c:29:42: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]

This helper creates a union between a flexible-array member (FAM)
and a set of members that would otherwise follow it. This overlays
the trailing members onto the FAM while preserving the original
memory layout.

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Justin Stitt <justinstitt@google.com>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Link: https://patch.msgid.link/aJ17oxJYcqqr3946@kspp
Signed-off-by: Kees Cook <kees@kernel.org>

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Gustavo A. R. Silva 2025-08-14 15:01:07 +09:00 • committed by Kees Cook

parent 9448598b22

commit 06190e1c86

1 changed files with 2 additions and 3 deletions

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drivers/gpu/drm/nouveau/nvif/fifo.c

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