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amdgpu: silence uninitialized variable warning 

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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Simon Ser 2022-09-28 08:53:17 +02:00
parent a81b9ab8f3
commit 82b2b1e898
1 changed files with 1 additions and 1 deletions
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2
amdgpu/amdgpu_bo.c
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@ -533,7 +533,7 @@ drm_public int amdgpu_find_bo_by_cpu_mapping(amdgpu_device_handle dev,
amdgpu_bo_handle *buf_handle, amdgpu_bo_handle *buf_handle,
uint64_t *offset_in_bo) uint64_t *offset_in_bo)
{ {
struct amdgpu_bo *bo; struct amdgpu_bo *bo = NULL;
uint32_t i; uint32_t i;
int r = 0; int r = 0;