[PATCH 4/4] rtl8192u: Replace semaphore rf_sem with mutex

[Binoy Jayan]

The semaphore 'rf_sem' in rtl8192u is a simple mutex, so it should
be written as one. Semaphores are going away in the future.
Signed-off-by: Binoy Jayan <binoy.ja...@linaro.org>
---
This patch depends on the following patch:
rtl8192u: Replace semaphore scan_sem with mutex

 drivers/staging/rtl8192u/r8192U.h      | 2 +-
 drivers/staging/rtl8192u/r8192U_core.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/rtl8192u/r8192U.h 
b/drivers/staging/rtl8192u/r8192U.h
index 2780838..7b921d4 100644
--- a/drivers/staging/rtl8192u/r8192U.h
+++ b/drivers/staging/rtl8192u/r8192U.h
@@ -880,7 +880,7 @@ typedef struct r8192_priv {
        short crcmon;
 
        struct mutex wx_mutex;
-       struct semaphore rf_sem;        /* Used to lock rf write operation */
+       struct mutex rf_mutex;  /* Used to lock rf write operation */
 
        u8 rf_type;                     /* 0: 1T2R, 1: 2T4R */
        RT_RF_TYPE_819xU rf_chip;
diff --git a/drivers/staging/rtl8192u/r8192U_core.c 
b/drivers/staging/rtl8192u/r8192U_core.c
index c6d3119..46d613a 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -2374,7 +2374,7 @@ static void rtl8192_init_priv_lock(struct r8192_priv 
*priv)
        spin_lock_init(&priv->tx_lock);
        spin_lock_init(&priv->irq_lock);
        mutex_init(&priv->wx_mutex);
-       sema_init(&priv->rf_sem, 1);
+       mutex_init(&priv->rf_mutex);
        mutex_init(&priv->mutex);
 }
 
-- 
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