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gpu: nvgpu: Fix CERT-C Violations

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Fix the following CERT-C Violations:
sync_sema_dma.c : CERT ERR33-C
sync_sema_dma.c : CERT EXP34-C

CID 350599
CID 368398
CID 392851
CID 464018
CID 465039
CID 467205
CID 468342

Bug 3512546

Signed-off-by: Jinesh Parakh <jparakh@nvidia.com>
Change-Id: Ibc6276d57550a3d2dd477decf82a7ac4b2ac3535
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2724762
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Jinesh Parakh
2022-06-04 10:36:56 +05:30
committed by mobile promotions
parent 79301054ac
commit dd1a2fde91
1 changed files with 14 additions and 4 deletions
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18
drivers/gpu/nvgpu/os/linux/sync_sema_dma.c
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@@ -1,7 +1,7 @@
/*
* Semaphore Sync Framework Integration
*
* Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
* Copyright (c) 2020-2022, NVIDIA Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -46,6 +46,7 @@ static inline struct nvgpu_dma_fence *to_nvgpu_dma_fence(struct dma_fence *fence
static const char *nvgpu_dma_fence_get_driver_name(struct dma_fence *fence)
{
struct nvgpu_dma_fence *nvfence = to_nvgpu_dma_fence(fence);
nvgpu_assert(nvfence != NULL);
return nvfence->g->name;
}
@@ -64,6 +65,7 @@ static const char *nvgpu_dma_fence_get_timeline_name(struct dma_fence *fence)
static bool nvgpu_dma_fence_enable_signaling(struct dma_fence *fence)
{
struct nvgpu_dma_fence *f = to_nvgpu_dma_fence(fence);
nvgpu_assert(f != NULL);
if (nvgpu_semaphore_is_released(f->sema))
return false;
@@ -75,6 +77,7 @@ static bool nvgpu_dma_fence_enable_signaling(struct dma_fence *fence)
static bool nvgpu_dma_fence_signaled(struct dma_fence *fence)
{
struct nvgpu_dma_fence *f = to_nvgpu_dma_fence(fence);
nvgpu_assert(f != NULL);
return nvgpu_semaphore_is_released(f->sema);
}
@@ -82,7 +85,10 @@ static bool nvgpu_dma_fence_signaled(struct dma_fence *fence)
static void nvgpu_dma_fence_release(struct dma_fence *fence)
{
struct nvgpu_dma_fence *f = to_nvgpu_dma_fence(fence);
struct gk20a *g = f->g;
struct gk20a *g;
nvgpu_assert(f != NULL);
g = f->g;
nvgpu_semaphore_put(f->sema);
@@ -140,6 +146,7 @@ u32 nvgpu_dma_fence_length(struct dma_fence *fence)
if (is_nvgpu_dma_fence_array(fence)) {
struct dma_fence_array *farray = to_dma_fence_array(fence);
nvgpu_assert(farray != NULL);
return farray->num_fences;
}
@@ -180,7 +187,7 @@ struct nvgpu_semaphore *nvgpu_dma_fence_nth(struct dma_fence *fence, u32 i)
}
farray = to_dma_fence_array(fence);
nvgpu_assert(i < farray->num_fences);
nvgpu_assert(farray != NULL && i < farray->num_fences);
return nvgpu_dma_fence_sema(farray->fences[i]);
}
@@ -216,6 +223,7 @@ struct dma_fence *nvgpu_sync_dma_create(struct nvgpu_channel *c,
struct nvgpu_dma_fence *f;
struct gk20a *g = c->g;
u64 context;
int err;
f = nvgpu_kzalloc(g, sizeof(*f));
if (f == NULL) {
@@ -224,8 +232,10 @@ struct dma_fence *nvgpu_sync_dma_create(struct nvgpu_channel *c,
f->g = g;
f->sema = sema;
snprintf(f->timeline_name, sizeof(f->timeline_name),
err = snprintf(f->timeline_name, sizeof(f->timeline_name),
"ch%d-user", c->chid);
nvgpu_assert(err > 0);
spin_lock_init(&f->lock);
fence_framework = &os_channel_priv->fence_framework;