[PATCH 1/3] ps3: gelic: scan_lock semaphore to mutex

From: Daniel Walker
Date: Thu May 22 2008 - 16:09:38 EST


Signed-off-by: Daniel Walker <dwalker@xxxxxxxxxx>

---
drivers/net/ps3_gelic_wireless.c | 18 +++++++++---------
drivers/net/ps3_gelic_wireless.h | 2 +-
2 files changed, 10 insertions(+), 10 deletions(-)

Index: linux-2.6.25/drivers/net/ps3_gelic_wireless.c
===================================================================
--- linux-2.6.25.orig/drivers/net/ps3_gelic_wireless.c
+++ linux-2.6.25/drivers/net/ps3_gelic_wireless.c
@@ -695,7 +695,7 @@ static int gelic_wl_get_scan(struct net_
unsigned long this_time = jiffies;

pr_debug("%s: <-\n", __func__);
- if (down_interruptible(&wl->scan_lock))
+ if (mutex_lock_interruptible(&wl->scan_lock))
return -EAGAIN;

switch (wl->scan_stat) {
@@ -733,7 +733,7 @@ static int gelic_wl_get_scan(struct net_
wrqu->data.length = ev - extra;
wrqu->data.flags = 0;
out:
- up(&wl->scan_lock);
+ mutex_unlock(&wl->scan_lock);
pr_debug("%s: -> %d %d\n", __func__, ret, wrqu->data.length);
return ret;
}
@@ -1554,7 +1554,7 @@ static int gelic_wl_start_scan(struct ge
int ret = 0;

pr_debug("%s: <- always=%d\n", __func__, always_scan);
- if (down_interruptible(&wl->scan_lock))
+ if (mutex_lock_interruptible(&wl->scan_lock))
return -ERESTARTSYS;

/*
@@ -1588,7 +1588,7 @@ static int gelic_wl_start_scan(struct ge
}
kfree(cmd);
out:
- up(&wl->scan_lock);
+ mutex_unlock(&wl->scan_lock);
pr_debug("%s: ->\n", __func__);
return ret;
}
@@ -1610,7 +1610,7 @@ static void gelic_wl_scan_complete_event
DECLARE_MAC_BUF(mac);

pr_debug("%s:start\n", __func__);
- down(&wl->scan_lock);
+ mutex_lock(&wl->scan_lock);

if (wl->scan_stat != GELIC_WL_SCAN_STAT_SCANNING) {
/*
@@ -1727,7 +1727,7 @@ static void gelic_wl_scan_complete_event
NULL);
out:
complete(&wl->scan_done);
- up(&wl->scan_lock);
+ mutex_unlock(&wl->scan_lock);
pr_debug("%s:end\n", __func__);
}

@@ -2282,7 +2282,7 @@ static void gelic_wl_assoc_worker(struct
wait_for_completion(&wl->scan_done);

pr_debug("%s: scan done\n", __func__);
- down(&wl->scan_lock);
+ mutex_lock(&wl->scan_lock);
if (wl->scan_stat != GELIC_WL_SCAN_STAT_GOT_LIST) {
gelic_wl_send_iwap_event(wl, NULL);
pr_info("%s: no scan list. association failed\n", __func__);
@@ -2302,7 +2302,7 @@ static void gelic_wl_assoc_worker(struct
if (ret)
pr_info("%s: association failed %d\n", __func__, ret);
scan_lock_out:
- up(&wl->scan_lock);
+ mutex_unlock(&wl->scan_lock);
out:
up(&wl->assoc_stat_lock);
}
@@ -2431,7 +2431,7 @@ static struct net_device *gelic_wl_alloc

INIT_DELAYED_WORK(&wl->event_work, gelic_wl_event_worker);
INIT_DELAYED_WORK(&wl->assoc_work, gelic_wl_assoc_worker);
- init_MUTEX(&wl->scan_lock);
+ mutex_init(&wl->scan_lock);
init_MUTEX(&wl->assoc_stat_lock);

init_completion(&wl->scan_done);
Index: linux-2.6.25/drivers/net/ps3_gelic_wireless.h
===================================================================
--- linux-2.6.25.orig/drivers/net/ps3_gelic_wireless.h
+++ linux-2.6.25/drivers/net/ps3_gelic_wireless.h
@@ -241,7 +241,7 @@ enum gelic_wl_assoc_state {
#define GELIC_WEP_KEYS 4
struct gelic_wl_info {
/* bss list */
- struct semaphore scan_lock;
+ struct mutex scan_lock;
struct list_head network_list;
struct list_head network_free_list;
struct gelic_wl_scan_info *networks;

--
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