On Thursday, June 2, 2016 10:27:55 AM CEST Binoy Jayan wrote:
> 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);
> }
I think this one should be done differently: as there are obviously no users of
this semaphore, there is no need to replace it with a mutex, it should just be
removed entirely.
Arnd
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