static struct iser_device *iser_device_find_by_ib_device(struct rdma_cm_id *cma_id) { struct iser_device *device; mutex_lock(&ig.device_list_mutex); list_for_each_entry(device, &ig.device_list, ig_list) if (device->ib_device->node_guid == cma_id->device->node_guid) goto inc_refcnt; device = kzalloc(sizeof *device, GFP_KERNEL); if (device == NULL) goto out; device->ib_device = cma_id->device; if (iser_create_device_ib_res(device)) { kfree(device); device = NULL; goto out; } list_add(&device->ig_list, &ig.device_list); inc_refcnt: device->refcount++; out: mutex_unlock(&ig.device_list_mutex); return device; }
/** * based on the resolved device node GUID see if there already allocated * device for this device. If there's no such, create one. */ static struct iser_device *iser_device_find_by_ib_device(struct rdma_cm_id *cma_id) { struct iser_device *device; mutex_lock(&ig.device_list_mutex); list_for_each_entry(device, &ig.device_list, ig_list) /* find if there's a match using the node GUID */ if (device->ib_device->node_guid == cma_id->device->node_guid) goto inc_refcnt; device = kzalloc(sizeof *device, GFP_KERNEL); if (device == NULL) goto out; /* assign this device to the device */ device->ib_device = cma_id->device; /* init the device and link it into ig device list */ if (iser_create_device_ib_res(device)) { kfree(device); device = NULL; goto out; } list_add(&device->ig_list, &ig.device_list); inc_refcnt: device->refcount++; out: mutex_unlock(&ig.device_list_mutex); return device; }
/** * based on the resolved device node GUID see if there already allocated * device for this device. If there's no such, create one. */ static struct iser_device *iser_device_find_by_ib_device(struct rdma_cm_id *cma_id) { struct list_head *p_list; struct iser_device *device = NULL; mutex_lock(&ig.device_list_mutex); p_list = ig.device_list.next; while (p_list != &ig.device_list) { device = list_entry(p_list, struct iser_device, ig_list); /* find if there's a match using the node GUID */ if (device->ib_device->node_guid == cma_id->device->node_guid) break; } if (device == NULL) { device = kzalloc(sizeof *device, GFP_KERNEL); if (device == NULL) goto out; /* assign this device to the device */ device->ib_device = cma_id->device; /* init the device and link it into ig device list */ if (iser_create_device_ib_res(device)) { kfree(device); device = NULL; goto out; } list_add(&device->ig_list, &ig.device_list); } out: BUG_ON(device == NULL); device->refcount++; mutex_unlock(&ig.device_list_mutex); return device; }