Replace direct comparisons to NULL i.e. 'x == NULL' with '!x' 'x != NULL' with 'x' Signed-off-by: Maninder Singh <maninder.s2@xxxxxxxxxxx> --- .../vc04_services/interface/vchiq_arm/vchiq_arm.c | 32 ++++++++++---------- .../vc04_services/interface/vchiq_arm/vchiq_core.c | 4 +-- .../vc04_services/interface/vchiq_arm/vchiq_shim.c | 4 +-- .../vc04_services/interface/vchiq_arm/vchiq_util.c | 4 +-- 4 files changed, 22 insertions(+), 22 deletions(-) diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c index 8fcd940..0068a1c 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c @@ -533,7 +533,7 @@ struct vchiq_io_copy_callback_context { /* Remove all services */ i = 0; while ((service = next_service_by_instance(instance->state, - instance, &i)) != NULL) { + instance, &i))) { status = vchiq_remove_service(service->handle); unlock_service(service); if (status != VCHIQ_SUCCESS) @@ -614,7 +614,7 @@ struct vchiq_io_copy_callback_context { &args.params, srvstate, instance, user_service_free); - if (service != NULL) { + if (service) { user_service->service = service; user_service->userdata = userdata; user_service->instance = instance; @@ -661,7 +661,7 @@ struct vchiq_io_copy_callback_context { VCHIQ_SERVICE_HANDLE_T handle = (VCHIQ_SERVICE_HANDLE_T)arg; service = find_service_for_instance(instance, handle); - if (service != NULL) { + if (service) { USER_SERVICE_T *user_service = (USER_SERVICE_T *)service->base.userdata; /* close_pending is false on first entry, and when the @@ -687,7 +687,7 @@ struct vchiq_io_copy_callback_context { VCHIQ_SERVICE_HANDLE_T handle = (VCHIQ_SERVICE_HANDLE_T)arg; service = find_service_for_instance(instance, handle); - if (service != NULL) { + if (service) { USER_SERVICE_T *user_service = (USER_SERVICE_T *)service->base.userdata; /* close_pending is false on first entry, and when the @@ -714,7 +714,7 @@ struct vchiq_io_copy_callback_context { VCHIQ_SERVICE_HANDLE_T handle = (VCHIQ_SERVICE_HANDLE_T)arg; service = find_service_for_instance(instance, handle); - if (service != NULL) { + if (service) { status = (cmd == VCHIQ_IOC_USE_SERVICE) ? vchiq_use_service_internal(service) : vchiq_release_service_internal(service); @@ -747,7 +747,7 @@ struct vchiq_io_copy_callback_context { service = find_service_for_instance(instance, args.handle); - if ((service != NULL) && (args.count <= MAX_ELEMENTS)) { + if (service && (args.count <= MAX_ELEMENTS)) { /* Copy elements into kernel space */ VCHIQ_ELEMENT_T elements[MAX_ELEMENTS]; if (copy_from_user(elements, args.elements, @@ -1063,7 +1063,7 @@ struct vchiq_io_copy_callback_context { spin_unlock(&msg_queue_spinlock); up(&user_service->remove_event); - if (header == NULL) + if (!header) ret = -ENOTCONN; else if (header->size <= args.bufsize) { /* Copy to user space if msgbuf is not NULL */ @@ -1161,7 +1161,7 @@ struct vchiq_io_copy_callback_context { VCHIQ_SERVICE_HANDLE_T handle = (VCHIQ_SERVICE_HANDLE_T)arg; service = find_closed_service_for_instance(instance, handle); - if (service != NULL) { + if (service) { USER_SERVICE_T *user_service = (USER_SERVICE_T *)service->base.userdata; close_delivered(user_service); @@ -1305,7 +1305,7 @@ struct vchiq_io_copy_callback_context { /* Mark all services for termination... */ i = 0; while ((service = next_service_by_instance(state, instance, - &i)) != NULL) { + &i))) { USER_SERVICE_T *user_service = service->base.userdata; /* Wake the slot handler if the msg queue is full. */ @@ -1317,8 +1317,8 @@ struct vchiq_io_copy_callback_context { /* ...and wait for them to die */ i = 0; - while ((service = next_service_by_instance(state, instance, &i)) - != NULL) { + while ((service = next_service_by_instance(state, + instance, &i))) { USER_SERVICE_T *user_service = service->base.userdata; down(&service->remove_event); @@ -1560,7 +1560,7 @@ struct vchiq_io_copy_callback_context { num_pages = (offset + num_bytes + PAGE_SIZE - 1) / PAGE_SIZE; pages = kmalloc(sizeof(struct page *) * num_pages, GFP_KERNEL); - if (pages == NULL) { + if (!pages) { vchiq_log_error(vchiq_arm_log_level, "Unable to allocation memory for %d pages\n", num_pages); @@ -1592,7 +1592,7 @@ struct vchiq_io_copy_callback_context { if (page_idx != prev_idx) { - if (page != NULL) + if (page) kunmap(page); page = pages[page_idx]; kmapped_virt_ptr = kmap(page); @@ -1610,7 +1610,7 @@ struct vchiq_io_copy_callback_context { } out: - if (page != NULL) + if (page) kunmap(page); for (page_idx = 0; page_idx < num_pages; page_idx++) @@ -2659,7 +2659,7 @@ struct vchiq_io_copy_callback_context { int use_count = 0, i; i = 0; while ((service = next_service_by_instance(instance->state, - instance, &i)) != NULL) { + instance, &i))) { use_count += service->service_use_count; unlock_service(service); } @@ -2685,7 +2685,7 @@ struct vchiq_io_copy_callback_context { int i; i = 0; while ((service = next_service_by_instance(instance->state, - instance, &i)) != NULL) { + instance, &i))) { service->trace = trace; unlock_service(service); } diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c index 7440db2..82f6496 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c @@ -3273,7 +3273,7 @@ static const char *msg_type_str(unsigned int msg_type) if (!service || (service->srvstate != VCHIQ_SRVSTATE_OPEN) || - ((memhandle == VCHI_MEM_HANDLE_INVALID) && (offset == NULL)) || + ((memhandle == VCHI_MEM_HANDLE_INVALID) && (!offset)) || (vchiq_check_service(service) != VCHIQ_SUCCESS)) goto error_exit; @@ -3910,7 +3910,7 @@ void vchiq_log_dump_mem(const char *label, uint32_t addr, const void *void_mem, } *s++ = '\0'; - if ((label != NULL) && (*label != '\0')) + if (label && (*label != '\0')) vchiq_log_trace(VCHIQ_LOG_TRACE, "%s: %08x: %s", label, addr, line_buf); else diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c index d977139..b6d0a75 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c @@ -639,7 +639,7 @@ int32_t vchi_service_open(VCHI_INSTANCE_T instance_handle, } } - return (service != NULL) ? 0 : -1; + return (service) ? 0 : -1; } EXPORT_SYMBOL(vchi_service_open); @@ -671,7 +671,7 @@ int32_t vchi_service_create(VCHI_INSTANCE_T instance_handle, } } - return (service != NULL) ? 0 : -1; + return (service) ? 0 : -1; } EXPORT_SYMBOL(vchi_service_create); diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_util.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_util.c index 384acb8..ac6a386 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_util.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_util.c @@ -52,7 +52,7 @@ int vchiu_queue_init(VCHIU_QUEUE_T *queue, int size) sema_init(&queue->push, 0); queue->storage = kzalloc(size * sizeof(VCHIQ_HEADER_T *), GFP_KERNEL); - if (queue->storage == NULL) { + if (!queue->storage) { vchiu_queue_delete(queue); return 0; } @@ -61,7 +61,7 @@ int vchiu_queue_init(VCHIU_QUEUE_T *queue, int size) void vchiu_queue_delete(VCHIU_QUEUE_T *queue) { - if (queue->storage != NULL) + if (queue->storage) kfree(queue->storage); } -- 1.7.9.5 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel