The compiler isn't smart enough to tell that this can't happen:
[30/74] Compiling C object amdgpu/libdrm_amdgpu.so.1.0.0.p/amdgpu_bo.c.o
In file included from ../amdgpu/amdgpu_internal.h:32,
from ../amdgpu/amdgpu_bo.c:39:
../xf86atomic.h: In function ‘amdgpu_find_bo_by_cpu_mapping’:
../xf86atomic.h:47:54: warning: ‘bo’ may be used uninitialized [-Wmaybe-uninitialized]
47 | # define atomic_inc(x) ((void) __sync_fetch_and_add (&(x)->atomic, 1))
| ^
../amdgpu/amdgpu_bo.c:536:27: note: ‘bo’ was declared here
536 | struct amdgpu_bo *bo;
| ^~
Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
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