diff options
Diffstat (limited to 'drivers/ieee1394/hosts.c')
| -rw-r--r-- | drivers/ieee1394/hosts.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/ieee1394/hosts.c b/drivers/ieee1394/hosts.c index ba09741fc826..2d47b11777a5 100644 --- a/drivers/ieee1394/hosts.c +++ b/drivers/ieee1394/hosts.c @@ -19,6 +19,7 @@ #include <linux/pci.h> #include <linux/timer.h> #include <linux/jiffies.h> +#include <linux/mutex.h> #include "csr1212.h" #include "ieee1394.h" @@ -105,7 +106,7 @@ static int alloc_hostnum_cb(struct hpsb_host *host, void *__data) * Return Value: a pointer to the &hpsb_host if succesful, %NULL if * no memory was available. */ -static DECLARE_MUTEX(host_num_alloc); +static DEFINE_MUTEX(host_num_alloc); struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, struct device *dev) @@ -148,7 +149,7 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, h->topology_map = h->csr.topology_map + 3; h->speed_map = (u8 *)(h->csr.speed_map + 2); - down(&host_num_alloc); + mutex_lock(&host_num_alloc); while (nodemgr_for_each_host(&hostnum, alloc_hostnum_cb)) hostnum++; @@ -167,7 +168,7 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, class_device_register(&h->class_dev); get_device(&h->device); - up(&host_num_alloc); + mutex_unlock(&host_num_alloc); return h; } |