diff options
| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2017-08-15 23:00:09 -0400 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2017-08-15 23:00:09 -0400 |
| commit | 4f52f2256eae0b8495c308b78a7edf4094e3dd67 (patch) | |
| tree | e6bffdeea67f722dea2745d8f12d662c3097218d /drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c | |
| parent | dbf56ab11a09550c00edb84fc4b2197350154e99 (diff) | |
| download | linux-4f52f2256eae0b8495c308b78a7edf4094e3dd67.tar.bz2 | |
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_kernel_queue.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c index 47e2e8a99809..970bc07ac370 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c @@ -41,7 +41,6 @@ static bool initialize(struct kernel_queue *kq, struct kfd_dev *dev, int retval; union PM4_MES_TYPE_3_HEADER nop; - BUG_ON(!kq || !dev); BUG_ON(type != KFD_QUEUE_TYPE_DIQ && type != KFD_QUEUE_TYPE_HIQ); pr_debug("Initializing queue type %d size %d\n", KFD_QUEUE_TYPE_HIQ, @@ -180,8 +179,6 @@ err_get_kernel_doorbell: static void uninitialize(struct kernel_queue *kq) { - BUG_ON(!kq); - if (kq->queue->properties.type == KFD_QUEUE_TYPE_HIQ) kq->mqd->destroy_mqd(kq->mqd, NULL, @@ -211,8 +208,6 @@ static int acquire_packet_buffer(struct kernel_queue *kq, uint32_t wptr, rptr; unsigned int *queue_address; - BUG_ON(!kq || !buffer_ptr); - rptr = *kq->rptr_kernel; wptr = *kq->wptr_kernel; queue_address = (unsigned int *)kq->pq_kernel_addr; @@ -252,11 +247,7 @@ static void submit_packet(struct kernel_queue *kq) { #ifdef DEBUG int i; -#endif - - BUG_ON(!kq); -#ifdef DEBUG for (i = *kq->wptr_kernel; i < kq->pending_wptr; i++) { pr_debug("0x%2X ", kq->pq_kernel_addr[i]); if (i % 15 == 0) @@ -272,7 +263,6 @@ static void submit_packet(struct kernel_queue *kq) static void rollback_packet(struct kernel_queue *kq) { - BUG_ON(!kq); kq->pending_wptr = *kq->queue->properties.write_ptr; } @@ -281,8 +271,6 @@ struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, { struct kernel_queue *kq; - BUG_ON(!dev); - kq = kzalloc(sizeof(*kq), GFP_KERNEL); if (!kq) return NULL; @@ -313,8 +301,6 @@ struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, void kernel_queue_uninit(struct kernel_queue *kq) { - BUG_ON(!kq); - kq->ops.uninitialize(kq); kfree(kq); } @@ -325,8 +311,6 @@ static __attribute__((unused)) void test_kq(struct kfd_dev *dev) uint32_t *buffer, i; int retval; - BUG_ON(!dev); - pr_err("Starting kernel queue test\n"); kq = kernel_queue_init(dev, KFD_QUEUE_TYPE_HIQ); |