Re: [PATCH -next] drm/nouveau/svm: Remove set but not used variable 'ret'

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ping

在 2021/5/31 10:38, Baokun Li 写道:
Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/nouveau/nouveau_svm.c: In function 'nouveau_pfns_map':
drivers/gpu/drm/nouveau/nouveau_svm.c:814:6: warning:
  variable ‘ret’ set but not used [-Wunused-but-set-variable]

It never used since introduction.

Signed-off-by: Baokun Li <libaokun1@xxxxxxxxxx>
---
  drivers/gpu/drm/nouveau/nouveau_svm.c | 3 +--
  1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.c b/drivers/gpu/drm/nouveau/nouveau_svm.c
index 84726a89e665..16fbf90f9f31 100644
--- a/drivers/gpu/drm/nouveau/nouveau_svm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_svm.c
@@ -921,7 +921,6 @@ nouveau_pfns_map(struct nouveau_svmm *svmm, struct mm_struct *mm,
  		 unsigned long addr, u64 *pfns, unsigned long npages)
  {
  	struct nouveau_pfnmap_args *args = nouveau_pfns_to_args(pfns);
-	int ret;
args->p.addr = addr;
  	args->p.size = npages << PAGE_SHIFT;
@@ -929,7 +928,7 @@ nouveau_pfns_map(struct nouveau_svmm *svmm, struct mm_struct *mm,
  	mutex_lock(&svmm->mutex);
svmm->vmm->vmm.object.client->super = true;
-	ret = nvif_object_ioctl(&svmm->vmm->vmm.object, args, sizeof(*args) +
+	nvif_object_ioctl(&svmm->vmm->vmm.object, args, sizeof(*args) +
  				npages * sizeof(args->p.phys[0]), NULL);
  	svmm->vmm->vmm.object.client->super = false;



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