[PATCH] Use mutex instead of semaphore in the Host AP driver
The Host AP driver uses a semaphore as mutex. Use the mutex API
instead of the (binary) semaphore.
Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Acked-by: Satyam Sharma <satyam@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c
index 959887b..d3dacbc 100644
--- a/drivers/net/wireless/hostap/hostap_hw.c
+++ b/drivers/net/wireless/hostap/hostap_hw.c
@@ -825,7 +825,7 @@
local->hw_downloading)
return -ENODEV;
- res = down_interruptible(&local->rid_bap_sem);
+ res = mutex_lock_interruptible(&local->rid_bap_mtx);
if (res)
return res;
@@ -834,7 +834,7 @@
printk(KERN_DEBUG "%s: hfa384x_get_rid: CMDCODE_ACCESS failed "
"(res=%d, rid=%04x, len=%d)\n",
dev->name, res, rid, len);
- up(&local->rid_bap_sem);
+ mutex_unlock(&local->rid_bap_mtx);
return res;
}
@@ -861,7 +861,7 @@
res = hfa384x_from_bap(dev, BAP0, buf, len);
spin_unlock_bh(&local->baplock);
- up(&local->rid_bap_sem);
+ mutex_unlock(&local->rid_bap_mtx);
if (res) {
if (res != -ENODATA)
@@ -902,7 +902,7 @@
/* RID len in words and +1 for rec.rid */
rec.len = cpu_to_le16(len / 2 + len % 2 + 1);
- res = down_interruptible(&local->rid_bap_sem);
+ res = mutex_lock_interruptible(&local->rid_bap_mtx);
if (res)
return res;
@@ -917,12 +917,12 @@
if (res) {
printk(KERN_DEBUG "%s: hfa384x_set_rid (rid=%04x, len=%d) - "
"failed - res=%d\n", dev->name, rid, len, res);
- up(&local->rid_bap_sem);
+ mutex_unlock(&local->rid_bap_mtx);
return res;
}
res = hfa384x_cmd(dev, HFA384X_CMDCODE_ACCESS_WRITE, rid, NULL, NULL);
- up(&local->rid_bap_sem);
+ mutex_unlock(&local->rid_bap_mtx);
if (res) {
printk(KERN_DEBUG "%s: hfa384x_set_rid: CMDCODE_ACCESS_WRITE "
@@ -3171,7 +3171,7 @@
spin_lock_init(&local->cmdlock);
spin_lock_init(&local->baplock);
spin_lock_init(&local->lock);
- init_MUTEX(&local->rid_bap_sem);
+ mutex_init(&local->rid_bap_mtx);
if (card_idx < 0 || card_idx >= MAX_PARM_DEVICES)
card_idx = 0;