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ieee1394: lock smaller region by host_num_alloc mutex
We need the mutex only around the iteration over existing hosts. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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1 changed files with 1 additions and 4 deletions
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@ -157,10 +157,9 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra,
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h->speed_map = (u8 *)(h->csr.speed_map + 2);
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mutex_lock(&host_num_alloc);
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while (nodemgr_for_each_host(&hostnum, alloc_hostnum_cb))
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hostnum++;
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mutex_unlock(&host_num_alloc);
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h->id = hostnum;
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memcpy(&h->device, &nodemgr_dev_template_host, sizeof(h->device));
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@ -175,8 +174,6 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra,
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class_device_register(&h->class_dev);
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get_device(&h->device);
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mutex_unlock(&host_num_alloc);
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return h;
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}
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