AcoSail/kernel_optimize_test
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ieee1394: lock smaller region by host_num_alloc mutex

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We need the mutex only around the iteration over existing hosts.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Stefan Richter 2006-10-10 21:11:43 +02:00
parent b63d4fe95f
commit 5c37dcbe13
1 changed files with 1 additions and 4 deletions
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5
drivers/ieee1394/hosts.c
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@ -157,10 +157,9 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra,
h->speed_map = (u8 *)(h->csr.speed_map + 2);
mutex_lock(&host_num_alloc);
while (nodemgr_for_each_host(&hostnum, alloc_hostnum_cb))
hostnum++;
mutex_unlock(&host_num_alloc);
h->id = hostnum;
memcpy(&h->device, &nodemgr_dev_template_host, sizeof(h->device));
@ -175,8 +174,6 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra,
class_device_register(&h->class_dev);
get_device(&h->device);
mutex_unlock(&host_num_alloc);
return h;
}