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Subject[PATCH -next] gpu: nouveau: Remove set but not used variable
Date
Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/nouveau/dispnv50/disp.c: In function nv50_mstm_cleanup:
drivers/gpu/drm/nouveau/dispnv50/disp.c:1303:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]

drivers/gpu/drm/nouveau/dispnv50/disp.c: In function nv50_mstm_prepare:
drivers/gpu/drm/nouveau/dispnv50/disp.c:1327:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]

drivers/gpu/drm/nouveau/nouveau_svm.c: In function nouveau_pfns_map:
drivers/gpu/drm/nouveau/nouveau_svm.c:818:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]

these variable is never used, so remove it.

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
---
drivers/gpu/drm/nouveau/dispnv50/disp.c | 9 +++------
drivers/gpu/drm/nouveau/nouveau_svm.c | 3 +--
2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 1ed242070001..7cb5618e4592 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -1306,12 +1306,10 @@ nv50_mstm_cleanup(struct nv50_mstm *mstm)
{
struct nouveau_drm *drm = nouveau_drm(mstm->outp->base.base.dev);
struct drm_encoder *encoder;
- int ret;

NV_ATOMIC(drm, "%s: mstm cleanup\n", mstm->outp->base.base.name);
- ret = drm_dp_check_act_status(&mstm->mgr);
-
- ret = drm_dp_update_payload_part2(&mstm->mgr);
+ drm_dp_check_act_status(&mstm->mgr);
+ drm_dp_update_payload_part2(&mstm->mgr);

drm_for_each_encoder(encoder, mstm->outp->base.base.dev) {
if (encoder->encoder_type == DRM_MODE_ENCODER_DPMST) {
@@ -1330,10 +1328,9 @@ nv50_mstm_prepare(struct nv50_mstm *mstm)
{
struct nouveau_drm *drm = nouveau_drm(mstm->outp->base.base.dev);
struct drm_encoder *encoder;
- int ret;

NV_ATOMIC(drm, "%s: mstm prepare\n", mstm->outp->base.base.name);
- ret = drm_dp_update_payload_part1(&mstm->mgr);
+ drm_dp_update_payload_part1(&mstm->mgr);

drm_for_each_encoder(encoder, mstm->outp->base.base.dev) {
if (encoder->encoder_type == DRM_MODE_ENCODER_DPMST) {
diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.c b/drivers/gpu/drm/nouveau/nouveau_svm.c
index 2df1c0460559..01583e9954a2 100644
--- a/drivers/gpu/drm/nouveau/nouveau_svm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_svm.c
@@ -815,7 +815,6 @@ 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;
@@ -823,7 +822,7 @@ 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;

--
2.17.1
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