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drm/amdkfd: Change x==NULL/false references to !x

Browse Source 
Upstream prefers the !x notation to x==NULL or x==false. Along those lines
change the ==true or !=NULL references as well. Also make the references
to !x the same, excluding () for readability.

Signed-off-by: Kent Russell <kent.russell@amd.com>
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>
This commit is contained in:
Kent Russell 2017-08-15 23:00:06 -04:00 committed by Oded Gabbay
parent 79775b627d
commit 4eacc26b3b
15 changed files with 85 additions and 87 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
View File

@ -265,7 +265,7 @@ static int kfd_ioctl_create_queue(struct file *filep, struct kfd_process *p,
pr_debug("Looking for gpu id 0x%x\n", args->gpu_id);
dev = kfd_device_by_id(args->gpu_id);
if (dev == NULL) {
if (!dev) {
pr_debug("Could not find gpu id 0x%x\n", args->gpu_id);
return -EINVAL;
}
@ -400,7 +400,7 @@ static int kfd_ioctl_set_memory_policy(struct file *filep,
}
dev = kfd_device_by_id(args->gpu_id);
if (dev == NULL)
if (!dev)
return -EINVAL;
mutex_lock(&p->mutex);
@ -443,7 +443,7 @@ static int kfd_ioctl_dbg_register(struct file *filep,
long status = 0;
dev = kfd_device_by_id(args->gpu_id);
if (dev == NULL)
if (!dev)
return -EINVAL;
if (dev->device_info->asic_family == CHIP_CARRIZO) {
@ -465,7 +465,7 @@ static int kfd_ioctl_dbg_register(struct file *filep,
return PTR_ERR(pdd);
}
if (dev->dbgmgr == NULL) {
if (!dev->dbgmgr) {
/* In case of a legal call, we have no dbgmgr yet */
create_ok = kfd_dbgmgr_create(&dbgmgr_ptr, dev);
if (create_ok) {
@ -494,7 +494,7 @@ static int kfd_ioctl_dbg_unregister(struct file *filep,
long status;
dev = kfd_device_by_id(args->gpu_id);
if (dev == NULL)
if (!dev)
return -EINVAL;
if (dev->device_info->asic_family == CHIP_CARRIZO) {
@ -505,7 +505,7 @@ static int kfd_ioctl_dbg_unregister(struct file *filep,
mutex_lock(kfd_get_dbgmgr_mutex());
status = kfd_dbgmgr_unregister(dev->dbgmgr, p);
if (status == 0) {
if (!status) {
kfd_dbgmgr_destroy(dev->dbgmgr);
dev->dbgmgr = NULL;
}
@ -539,7 +539,7 @@ static int kfd_ioctl_dbg_address_watch(struct file *filep,
memset((void *) &aw_info, 0, sizeof(struct dbg_address_watch_info));
dev = kfd_device_by_id(args->gpu_id);
if (dev == NULL)
if (!dev)
return -EINVAL;
if (dev->device_info->asic_family == CHIP_CARRIZO) {
@ -646,7 +646,7 @@ static int kfd_ioctl_dbg_wave_control(struct file *filep,
sizeof(wac_info.trapId);
dev = kfd_device_by_id(args->gpu_id);
if (dev == NULL)
if (!dev)
return -EINVAL;
if (dev->device_info->asic_family == CHIP_CARRIZO) {
@ -782,9 +782,9 @@ static int kfd_ioctl_get_process_apertures(struct file *filp,
"scratch_limit %llX\n", pdd->scratch_limit);
args->num_of_nodes++;
} while ((pdd = kfd_get_next_process_device_data(p, pdd)) !=
NULL &&
(args->num_of_nodes < NUM_OF_SUPPORTED_GPUS));
pdd = kfd_get_next_process_device_data(p, pdd);
} while (pdd && (args->num_of_nodes < NUM_OF_SUPPORTED_GPUS));
}
mutex_unlock(&p->mutex);

20
drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c
View File

@ -77,7 +77,7 @@ static int dbgdev_diq_submit_ib(struct kfd_dbgdev *dbgdev,
status = kq->ops.acquire_packet_buffer(kq,
pq_packets_size_in_bytes / sizeof(uint32_t),
&ib_packet_buff);
if (status != 0) {
if (status) {
pr_err("acquire_packet_buffer failed\n");
return status;
}
@ -115,7 +115,7 @@ static int dbgdev_diq_submit_ib(struct kfd_dbgdev *dbgdev,
status = kfd_gtt_sa_allocate(dbgdev->dev, sizeof(uint64_t),
&mem_obj);
if (status != 0) {
if (status) {
pr_err("Failed to allocate GART memory\n");
kq->ops.rollback_packet(kq);
return status;
@ -202,7 +202,7 @@ static int dbgdev_register_diq(struct kfd_dbgdev *dbgdev)
kq = pqm_get_kernel_queue(dbgdev->pqm, qid);
if (kq == NULL) {
if (!kq) {
pr_err("Error getting DIQ\n");
pqm_destroy_queue(dbgdev->pqm, qid);
return -EFAULT;
@ -252,7 +252,7 @@ static void dbgdev_address_watch_set_registers(
addrLo->u32All = 0;
cntl->u32All = 0;
if (adw_info->watch_mask != NULL)
if (adw_info->watch_mask)
cntl->bitfields.mask =
(uint32_t) (adw_info->watch_mask[index] &
ADDRESS_WATCH_REG_CNTL_DEFAULT_MASK);
@ -307,8 +307,7 @@ static int dbgdev_address_watch_nodiq(struct kfd_dbgdev *dbgdev,
return -EINVAL;
}
if ((adw_info->watch_mode == NULL) ||
(adw_info->watch_address == NULL)) {
if (!adw_info->watch_mode || !adw_info->watch_address) {
pr_err("adw_info fields are not valid\n");
return -EINVAL;
}
@ -375,15 +374,14 @@ static int dbgdev_address_watch_diq(struct kfd_dbgdev *dbgdev,
return -EINVAL;
}
if ((NULL == adw_info->watch_mode) ||
(NULL == adw_info->watch_address)) {
if (!adw_info->watch_mode || !adw_info->watch_address) {
pr_err("adw_info fields are not valid\n");
return -EINVAL;
}
status = kfd_gtt_sa_allocate(dbgdev->dev, ib_size, &mem_obj);
if (status != 0) {
if (status) {
pr_err("Failed to allocate GART memory\n");
return status;
}
@ -490,7 +488,7 @@ static int dbgdev_address_watch_diq(struct kfd_dbgdev *dbgdev,
packet_buff_uint,
ib_size);
if (status != 0) {
if (status) {
pr_err("Failed to submit IB to DIQ\n");
break;
}
@ -711,7 +709,7 @@ static int dbgdev_wave_control_diq(struct kfd_dbgdev *dbgdev,
packet_buff_uint,
ib_size);
if (status != 0)
if (status)
pr_err("Failed to submit IB to DIQ\n");
kfd_gtt_sa_free(dbgdev->dev, mem_obj);

4
drivers/gpu/drm/amd/amdkfd/kfd_dbgmgr.c
View File

@ -55,7 +55,7 @@ static void kfd_dbgmgr_uninitialize(struct kfd_dbgmgr *pmgr)
void kfd_dbgmgr_destroy(struct kfd_dbgmgr *pmgr)
{
if (pmgr != NULL) {
if (pmgr) {
kfd_dbgmgr_uninitialize(pmgr);
kfree(pmgr);
}
@ -66,7 +66,7 @@ bool kfd_dbgmgr_create(struct kfd_dbgmgr **ppmgr, struct kfd_dev *pdev)
enum DBGDEV_TYPE type = DBGDEV_TYPE_DIQ;
struct kfd_dbgmgr *new_buff;
BUG_ON(pdev == NULL);
BUG_ON(!pdev);
BUG_ON(!pdev->init_complete);
new_buff = kfd_alloc_struct(new_buff);

10
drivers/gpu/drm/amd/amdkfd/kfd_device.c
View File

@ -98,7 +98,7 @@ static const struct kfd_device_info *lookup_device_info(unsigned short did)
for (i = 0; i < ARRAY_SIZE(supported_devices); i++) {
if (supported_devices[i].did == did) {
BUG_ON(supported_devices[i].device_info == NULL);
BUG_ON(!supported_devices[i].device_info);
return supported_devices[i].device_info;
}
}
@ -212,7 +212,7 @@ static int iommu_invalid_ppr_cb(struct pci_dev *pdev, int pasid,
flags);
dev = kfd_device_by_pci_dev(pdev);
BUG_ON(dev == NULL);
BUG_ON(!dev);
kfd_signal_iommu_event(dev, pasid, address,
flags & PPR_FAULT_WRITE, flags & PPR_FAULT_EXEC);
@ -262,7 +262,7 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd,
kfd_doorbell_init(kfd);
if (kfd_topology_add_device(kfd) != 0) {
if (kfd_topology_add_device(kfd)) {
dev_err(kfd_device, "Error adding device to topology\n");
goto kfd_topology_add_device_error;
}
@ -288,7 +288,7 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd,
goto device_queue_manager_error;
}
if (kfd->dqm->ops.start(kfd->dqm) != 0) {
if (kfd->dqm->ops.start(kfd->dqm)) {
dev_err(kfd_device,
"Error starting queue manager for device %x:%x\n",
kfd->pdev->vendor, kfd->pdev->device);
@ -341,7 +341,7 @@ void kgd2kfd_device_exit(struct kfd_dev *kfd)
void kgd2kfd_suspend(struct kfd_dev *kfd)
{
BUG_ON(kfd == NULL);
BUG_ON(!kfd);
if (kfd->init_complete) {
kfd->dqm->ops.stop(kfd->dqm);

50
drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
View File

@ -167,7 +167,7 @@ static int create_queue_nocpsch(struct device_queue_manager *dqm,
if (list_empty(&qpd->queues_list)) {
retval = allocate_vmid(dqm, qpd, q);
if (retval != 0) {
if (retval) {
mutex_unlock(&dqm->lock);
return retval;
}
@ -180,7 +180,7 @@ static int create_queue_nocpsch(struct device_queue_manager *dqm,
if (q->properties.type == KFD_QUEUE_TYPE_SDMA)
retval = create_sdma_queue_nocpsch(dqm, q, qpd);
if (retval != 0) {
if (retval) {
if (list_empty(&qpd->queues_list)) {
deallocate_vmid(dqm, qpd, q);
*allocated_vmid = 0;
@ -262,16 +262,16 @@ static int create_compute_queue_nocpsch(struct device_queue_manager *dqm,
BUG_ON(!dqm || !q || !qpd);
mqd = dqm->ops.get_mqd_manager(dqm, KFD_MQD_TYPE_COMPUTE);
if (mqd == NULL)
if (!mqd)
return -ENOMEM;
retval = allocate_hqd(dqm, q);
if (retval != 0)
if (retval)
return retval;
retval = mqd->init_mqd(mqd, &q->mqd, &q->mqd_mem_obj,
&q->gart_mqd_addr, &q->properties);
if (retval != 0) {
if (retval) {
deallocate_hqd(dqm, q);
return retval;
}
@ -281,7 +281,7 @@ static int create_compute_queue_nocpsch(struct device_queue_manager *dqm,
retval = mqd->load_mqd(mqd, q->mqd, q->pipe,
q->queue, (uint32_t __user *) q->properties.write_ptr);
if (retval != 0) {
if (retval) {
deallocate_hqd(dqm, q);
mqd->uninit_mqd(mqd, q->mqd, q->mqd_mem_obj);
return retval;
@ -330,7 +330,7 @@ static int destroy_queue_nocpsch(struct device_queue_manager *dqm,
QUEUE_PREEMPT_DEFAULT_TIMEOUT_MS,
q->pipe, q->queue);
if (retval != 0)
if (retval)
goto out;
mqd->uninit_mqd(mqd, q->mqd, q->mqd_mem_obj);
@ -365,7 +365,7 @@ static int update_queue(struct device_queue_manager *dqm, struct queue *q)
mutex_lock(&dqm->lock);
mqd = dqm->ops.get_mqd_manager(dqm,
get_mqd_type_from_queue_type(q->properties.type));
if (mqd == NULL) {
if (!mqd) {
mutex_unlock(&dqm->lock);
return -ENOMEM;
}
@ -381,7 +381,7 @@ static int update_queue(struct device_queue_manager *dqm, struct queue *q)
retval = mqd->update_mqd(mqd, q->mqd, &q->properties);
if ((q->properties.is_active) && (!prev_active))
dqm->queue_count++;
else if ((!q->properties.is_active) && (prev_active))
else if (!q->properties.is_active && prev_active)
dqm->queue_count--;
if (sched_policy != KFD_SCHED_POLICY_NO_HWS)
@ -403,7 +403,7 @@ static struct mqd_manager *get_mqd_manager_nocpsch(
mqd = dqm->mqds[type];
if (!mqd) {
mqd = mqd_manager_init(type, dqm->dev);
if (mqd == NULL)
if (!mqd)
pr_err("mqd manager is NULL");
dqm->mqds[type] = mqd;
}
@ -485,7 +485,7 @@ static void init_interrupts(struct device_queue_manager *dqm)
{
unsigned int i;
BUG_ON(dqm == NULL);
BUG_ON(!dqm);
for (i = 0 ; i < get_pipes_per_mec(dqm) ; i++)
if (is_pipe_enabled(dqm, 0, i))
@ -589,7 +589,7 @@ static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm,
return -ENOMEM;
retval = allocate_sdma_queue(dqm, &q->sdma_id);
if (retval != 0)
if (retval)
return retval;
q->properties.sdma_queue_id = q->sdma_id % CIK_SDMA_QUEUES_PER_ENGINE;
@ -602,14 +602,14 @@ static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm,
dqm->ops_asic_specific.init_sdma_vm(dqm, q, qpd);
retval = mqd->init_mqd(mqd, &q->mqd, &q->mqd_mem_obj,
&q->gart_mqd_addr, &q->properties);
if (retval != 0) {
if (retval) {
deallocate_sdma_queue(dqm, q->sdma_id);
return retval;
}
retval = mqd->load_mqd(mqd, q->mqd, 0,
0, NULL);
if (retval != 0) {
if (retval) {
deallocate_sdma_queue(dqm, q->sdma_id);
mqd->uninit_mqd(mqd, q->mqd, q->mqd_mem_obj);
return retval;
@ -680,7 +680,7 @@ static int initialize_cpsch(struct device_queue_manager *dqm)
dqm->sdma_queue_count = 0;
dqm->active_runlist = false;
retval = dqm->ops_asic_specific.initialize(dqm);
if (retval != 0)
if (retval)
goto fail_init_pipelines;
return 0;
@ -700,11 +700,11 @@ static int start_cpsch(struct device_queue_manager *dqm)
retval = 0;
retval = pm_init(&dqm->packets, dqm);
if (retval != 0)
if (retval)
goto fail_packet_manager_init;
retval = set_sched_resources(dqm);
if (retval != 0)
if (retval)
goto fail_set_sched_resources;
pr_debug("Allocating fence memory\n");
@ -713,7 +713,7 @@ static int start_cpsch(struct device_queue_manager *dqm)
retval = kfd_gtt_sa_allocate(dqm->dev, sizeof(*dqm->fence_addr),
&dqm->fence_mem);
if (retval != 0)
if (retval)
goto fail_allocate_vidmem;
dqm->fence_addr = dqm->fence_mem->cpu_ptr;
@ -845,7 +845,7 @@ static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q,
mqd = dqm->ops.get_mqd_manager(dqm,
get_mqd_type_from_queue_type(q->properties.type));
if (mqd == NULL) {
if (!mqd) {
mutex_unlock(&dqm->lock);
return -ENOMEM;
}
@ -853,7 +853,7 @@ static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q,
dqm->ops_asic_specific.init_sdma_vm(dqm, q, qpd);
retval = mqd->init_mqd(mqd, &q->mqd, &q->mqd_mem_obj,
&q->gart_mqd_addr, &q->properties);
if (retval != 0)
if (retval)
goto out;
list_add(&q->list, &qpd->queues_list);
@ -934,7 +934,7 @@ static int destroy_queues_cpsch(struct device_queue_manager *dqm,
retval = pm_send_unmap_queue(&dqm->packets, KFD_QUEUE_TYPE_COMPUTE,
preempt_type, 0, false, 0);
if (retval != 0)
if (retval)
goto out;
*dqm->fence_addr = KFD_FENCE_INIT;
@ -943,7 +943,7 @@ static int destroy_queues_cpsch(struct device_queue_manager *dqm,
/* should be timed out */
retval = amdkfd_fence_wait_timeout(dqm->fence_addr, KFD_FENCE_COMPLETED,
QUEUE_PREEMPT_DEFAULT_TIMEOUT_MS);
if (retval != 0) {
if (retval) {
pdd = kfd_get_process_device_data(dqm->dev,
kfd_get_process(current));
pdd->reset_wavefronts = true;
@ -968,7 +968,7 @@ static int execute_queues_cpsch(struct device_queue_manager *dqm, bool lock)
mutex_lock(&dqm->lock);
retval = destroy_queues_cpsch(dqm, false, false);
if (retval != 0) {
if (retval) {
pr_err("The cp might be in an unrecoverable state due to an unsuccessful queues preemption");
goto out;
}
@ -984,7 +984,7 @@ static int execute_queues_cpsch(struct device_queue_manager *dqm, bool lock)
}
retval = pm_send_runlist(&dqm->packets, &dqm->queues);
if (retval != 0) {
if (retval) {
pr_err("failed to execute runlist");
goto out;
}
@ -1193,7 +1193,7 @@ struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev)
break;
}
if (dqm->ops.initialize(dqm) != 0) {
if (dqm->ops.initialize(dqm)) {
kfree(dqm);
return NULL;
}

2
drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c
View File

@ -131,7 +131,7 @@ int kfd_doorbell_mmap(struct kfd_process *process, struct vm_area_struct *vma)
/* Find kfd device according to gpu id */
dev = kfd_device_by_id(vma->vm_pgoff);
if (dev == NULL)
if (!dev)
return -EINVAL;
/* Calculate physical address of doorbell */

6
drivers/gpu/drm/amd/amdkfd/kfd_events.c
View File

@ -247,7 +247,7 @@ static u32 make_nonsignal_event_id(struct kfd_process *p)
for (id = p->next_nonsignal_event_id;
id < KFD_LAST_NONSIGNAL_EVENT_ID &&
lookup_event_by_id(p, id) != NULL;
lookup_event_by_id(p, id);
id++)
;
@ -266,7 +266,7 @@ static u32 make_nonsignal_event_id(struct kfd_process *p)
for (id = KFD_FIRST_NONSIGNAL_EVENT_ID;
id < KFD_LAST_NONSIGNAL_EVENT_ID &&
lookup_event_by_id(p, id) != NULL;
lookup_event_by_id(p, id);
id++)
;
@ -342,7 +342,7 @@ void kfd_event_init_process(struct kfd_process *p)
static void destroy_event(struct kfd_process *p, struct kfd_event *ev)
{
if (ev->signal_page != NULL) {
if (ev->signal_page) {
release_event_notification_slot(ev->signal_page,
ev->signal_slot_index);
p->signal_event_count--;

2
drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c
View File

@ -304,7 +304,7 @@ int kfd_init_apertures(struct kfd_process *process)
id < NUM_OF_SUPPORTED_GPUS) {
pdd = kfd_create_process_device_data(dev, process);
if (pdd == NULL) {
if (!pdd) {
pr_err("Failed to create process device data\n");
return -1;
}

6
drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
View File

@ -67,12 +67,12 @@ static bool initialize(struct kernel_queue *kq, struct kfd_dev *dev,
break;
}
if (kq->mqd == NULL)
if (!kq->mqd)
return false;
prop.doorbell_ptr = kfd_get_kernel_doorbell(dev, &prop.doorbell_off);
if (prop.doorbell_ptr == NULL) {
if (!prop.doorbell_ptr) {
pr_err("Failed to initialize doorbell");
goto err_get_kernel_doorbell;
}
@ -87,7 +87,7 @@ static bool initialize(struct kernel_queue *kq, struct kfd_dev *dev,
kq->pq_gpu_addr = kq->pq->gpu_addr;
retval = kq->ops_asic_specific.initialize(kq, dev, type, queue_size);
if (retval == false)
if (!retval)
goto err_eop_allocate_vidmem;
retval = kfd_gtt_sa_allocate(dev, sizeof(*kq->rptr_kernel),

4
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
View File

@ -99,7 +99,7 @@ static int init_mqd(struct mqd_manager *mm, void **mqd,
m->cp_hqd_iq_rptr = AQL_ENABLE;
*mqd = m;
if (gart_addr != NULL)
if (gart_addr)
*gart_addr = addr;
retval = mm->update_mqd(mm, m, q);
@ -127,7 +127,7 @@ static int init_mqd_sdma(struct mqd_manager *mm, void **mqd,
memset(m, 0, sizeof(struct cik_sdma_rlc_registers));
*mqd = m;
if (gart_addr != NULL)
if (gart_addr)
*gart_addr = (*mqd_mem_obj)->gpu_addr;
retval = mm->update_mqd(mm, m, q);

2
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c
View File

@ -85,7 +85,7 @@ static int init_mqd(struct mqd_manager *mm, void **mqd,
m->cp_hqd_iq_rptr = 1;
*mqd = m;
if (gart_addr != NULL)
if (gart_addr)
*gart_addr = addr;
retval = mm->update_mqd(mm, m, q);

26
drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
View File

@ -98,14 +98,14 @@ static int pm_allocate_runlist_ib(struct packet_manager *pm,
BUG_ON(!pm);
BUG_ON(pm->allocated);
BUG_ON(is_over_subscription == NULL);
BUG_ON(!is_over_subscription);
pm_calc_rlib_size(pm, rl_buffer_size, is_over_subscription);
retval = kfd_gtt_sa_allocate(pm->dqm->dev, *rl_buffer_size,
&pm->ib_buffer_obj);
if (retval != 0) {
if (retval) {
pr_err("Failed to allocate runlist IB\n");
return retval;
}
@ -321,7 +321,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm,
retval = pm_allocate_runlist_ib(pm, &rl_buffer, rl_gpu_addr,
&alloc_size_bytes, &is_over_subscription);
if (retval != 0)
if (retval)
return retval;
*rl_size_bytes = alloc_size_bytes;
@ -340,7 +340,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm,
}
retval = pm_create_map_process(pm, &rl_buffer[rl_wptr], qpd);
if (retval != 0)
if (retval)
return retval;
proccesses_mapped++;
@ -365,7 +365,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm,
&rl_buffer[rl_wptr],
kq->queue,
qpd->is_debug);
if (retval != 0)
if (retval)
return retval;
inc_wptr(&rl_wptr,
@ -392,7 +392,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm,
q,
qpd->is_debug);
if (retval != 0)
if (retval)
return retval;
inc_wptr(&rl_wptr,
@ -421,7 +421,7 @@ int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm)
pm->dqm = dqm;
mutex_init(&pm->lock);
pm->priv_queue = kernel_queue_init(dqm->dev, KFD_QUEUE_TYPE_HIQ);
if (pm->priv_queue == NULL) {
if (!pm->priv_queue) {
mutex_destroy(&pm->lock);
return -ENOMEM;
}
@ -449,7 +449,7 @@ int pm_send_set_resources(struct packet_manager *pm,
pm->priv_queue->ops.acquire_packet_buffer(pm->priv_queue,
sizeof(*packet) / sizeof(uint32_t),
(unsigned int **)&packet);
if (packet == NULL) {
if (!packet) {
mutex_unlock(&pm->lock);
pr_err("Failed to allocate buffer on kernel queue\n");
return -ENOMEM;
@ -491,7 +491,7 @@ int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues)
retval = pm_create_runlist_ib(pm, dqm_queues, &rl_gpu_ib_addr,
&rl_ib_size);
if (retval != 0)
if (retval)
goto fail_create_runlist_ib;
pr_debug("runlist IB address: 0x%llX\n", rl_gpu_ib_addr);
@ -501,12 +501,12 @@ int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues)
retval = pm->priv_queue->ops.acquire_packet_buffer(pm->priv_queue,
packet_size_dwords, &rl_buffer);
if (retval != 0)
if (retval)
goto fail_acquire_packet_buffer;
retval = pm_create_runlist(pm, rl_buffer, rl_gpu_ib_addr,
rl_ib_size / sizeof(uint32_t), false);
if (retval != 0)
if (retval)
goto fail_create_runlist;
pm->priv_queue->ops.submit_packet(pm->priv_queue);
@ -537,7 +537,7 @@ int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address,
pm->priv_queue,
sizeof(struct pm4_query_status) / sizeof(uint32_t),
(unsigned int **)&packet);
if (retval != 0)
if (retval)
goto fail_acquire_packet_buffer;
packet->header.u32all = build_pm4_header(IT_QUERY_STATUS,
@ -580,7 +580,7 @@ int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type,
pm->priv_queue,
sizeof(struct pm4_unmap_queues) / sizeof(uint32_t),
&buffer);
if (retval != 0)
if (retval)
goto err_acquire_packet_buffer;
packet = (struct pm4_unmap_queues *)buffer;

6
drivers/gpu/drm/amd/amdkfd/kfd_process.c
View File

@ -81,7 +81,7 @@ struct kfd_process *kfd_create_process(const struct task_struct *thread)
BUG_ON(!kfd_process_wq);
if (thread->mm == NULL)
if (!thread->mm)
return ERR_PTR(-EINVAL);
/* Only the pthreads threading model is supported. */
@ -117,7 +117,7 @@ struct kfd_process *kfd_get_process(const struct task_struct *thread)
{
struct kfd_process *process;
if (thread->mm == NULL)
if (!thread->mm)
return ERR_PTR(-EINVAL);
/* Only the pthreads threading model is supported. */
@ -407,7 +407,7 @@ void kfd_unbind_process_from_device(struct kfd_dev *dev, unsigned int pasid)
struct kfd_process *p;
struct kfd_process_device *pdd;
BUG_ON(dev == NULL);
BUG_ON(!dev);
/*
* Look for the process that matches the pasid. If there is no such

6
drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
View File

@ -76,7 +76,7 @@ int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p)
pqm->queue_slot_bitmap =
kzalloc(DIV_ROUND_UP(KFD_MAX_NUM_OF_QUEUES_PER_PROCESS,
BITS_PER_BYTE), GFP_KERNEL);
if (pqm->queue_slot_bitmap == NULL)
if (!pqm->queue_slot_bitmap)
return -ENOMEM;
pqm->process = p;
@ -223,7 +223,7 @@ int pqm_create_queue(struct process_queue_manager *pqm,
break;
case KFD_QUEUE_TYPE_DIQ:
kq = kernel_queue_init(dev, KFD_QUEUE_TYPE_DIQ);
if (kq == NULL) {
if (!kq) {
retval = -ENOMEM;
goto err_create_queue;
}
@ -279,7 +279,7 @@ int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid)
retval = 0;
pqn = get_queue_by_qid(pqm, qid);
if (pqn == NULL) {
if (!pqn) {
pr_err("Queue id does not match any known queue\n");
return -EINVAL;
}

6
drivers/gpu/drm/amd/amdkfd/kfd_topology.c
View File

@ -416,7 +416,7 @@ static struct kfd_topology_device *kfd_create_topology_device(void)
struct kfd_topology_device *dev;
dev = kfd_alloc_struct(dev);
if (dev == NULL) {
if (!dev) {
pr_err("No memory to allocate a topology device");
return NULL;
}
@ -957,7 +957,7 @@ static int kfd_topology_update_sysfs(void)
int ret;
pr_info("Creating topology SYSFS entries\n");
if (sys_props.kobj_topology == NULL) {
if (!sys_props.kobj_topology) {
sys_props.kobj_topology =
kfd_alloc_struct(sys_props.kobj_topology);
if (!sys_props.kobj_topology)
@ -1120,7 +1120,7 @@ static struct kfd_topology_device *kfd_assign_gpu(struct kfd_dev *gpu)
BUG_ON(!gpu);
list_for_each_entry(dev, &topology_device_list, list)
if (dev->gpu == NULL && dev->node_props.simd_count > 0) {
if (!dev->gpu && (dev->node_props.simd_count > 0)) {
dev->gpu = gpu;
out_dev = dev;
break;