WARN_ON(!all_expired);
tcmu_blocks_release(&udev->data_blocks, 0, udev->dbi_max + 1);
- kfree(udev->data_bitmap);
+ bitmap_free(udev->data_bitmap);
mutex_unlock(&udev->cmdr_lock);
call_rcu(&dev->rcu_head, tcmu_dev_call_rcu);
ret = genlmsg_multicast_allns(&tcmu_genl_family, skb, 0,
TCMU_MCGRP_CONFIG, GFP_KERNEL);
- /* We don't care if no one is listening */
- if (ret == -ESRCH)
- ret = 0;
- if (!ret)
- ret = tcmu_wait_genl_cmd_reply(udev);
+
+ /* Wait during an add as the listener may not be up yet */
+ if (ret == 0 ||
+ (ret == -ESRCH && cmd == TCMU_CMD_ADDED_DEVICE))
+ return tcmu_wait_genl_cmd_reply(udev);
+
return ret;
}
info = &udev->uio_info;
mutex_lock(&udev->cmdr_lock);
- udev->data_bitmap = kcalloc(BITS_TO_LONGS(udev->max_blocks),
- sizeof(unsigned long),
- GFP_KERNEL);
+ udev->data_bitmap = bitmap_zalloc(udev->max_blocks, GFP_KERNEL);
mutex_unlock(&udev->cmdr_lock);
if (!udev->data_bitmap) {
ret = -ENOMEM;
vfree(udev->mb_addr);
udev->mb_addr = NULL;
err_vzalloc:
- kfree(udev->data_bitmap);
+ bitmap_free(udev->data_bitmap);
udev->data_bitmap = NULL;
err_bitmap_alloc:
kfree(info->name);