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authorFelix Kuehling <Felix.Kuehling@amd.com>2017-08-16 06:00:09 +0300
committerOded Gabbay <oded.gabbay@gmail.com>2017-08-16 06:00:09 +0300
commit4f52f2256eae0b8495c308b78a7edf4094e3dd67 (patch)
treee6bffdeea67f722dea2745d8f12d662c3097218d /drivers/gpu/drm/amd/amdkfd/kfd_device.c
parentdbf56ab11a09550c00edb84fc4b2197350154e99 (diff)
downloadlinux-4f52f2256eae0b8495c308b78a7edf4094e3dd67.tar.xz
drm/amdkfd: Remove BUG_ONs for NULL pointer arguments
Remove BUG_ONs that check for NULL pointer arguments that are dereferenced in the same function. Dereferencing the NULL pointer will generate a BUG anyway, so the explicit check is redundant and unnecessary overhead. Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_device.c')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_device.c10
1 files changed, 0 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index d962342a2e3e..e28e8183a452 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -341,8 +341,6 @@ void kgd2kfd_device_exit(struct kfd_dev *kfd)
void kgd2kfd_suspend(struct kfd_dev *kfd)
{
- BUG_ON(!kfd);
-
if (kfd->init_complete) {
kfd->dqm->ops.stop(kfd->dqm);
amd_iommu_set_invalidate_ctx_cb(kfd->pdev, NULL);
@@ -356,8 +354,6 @@ int kgd2kfd_resume(struct kfd_dev *kfd)
unsigned int pasid_limit;
int err;
- BUG_ON(kfd == NULL);
-
pasid_limit = kfd_get_pasid_limit();
if (kfd->init_complete) {
@@ -394,8 +390,6 @@ static int kfd_gtt_sa_init(struct kfd_dev *kfd, unsigned int buf_size,
{
unsigned int num_of_bits;
- BUG_ON(!kfd);
- BUG_ON(!kfd->gtt_mem);
BUG_ON(buf_size < chunk_size);
BUG_ON(buf_size == 0);
BUG_ON(chunk_size == 0);
@@ -445,8 +439,6 @@ int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size,
{
unsigned int found, start_search, cur_size;
- BUG_ON(!kfd);
-
if (size == 0)
return -EINVAL;
@@ -551,8 +543,6 @@ int kfd_gtt_sa_free(struct kfd_dev *kfd, struct kfd_mem_obj *mem_obj)
{
unsigned int bit;
- BUG_ON(!kfd);
-
/* Act like kfree when trying to free a NULL object */
if (!mem_obj)
return 0;