[PATCH] sound: Remove unneeded kmalloc() return value casts

[mirror_ubuntu-zesty-kernel.git] / sound / oss / dmasound / dmasound_awacs.c

diff --git a/sound/oss/dmasound/dmasound_awacs.c b/sound/oss/dmasound/dmasound_awacs.c
index 74f975676ccb22dae8766c00989e34226275bd4f..3bbc8105e9f10dfedcf362fc86c3361609590d90 100644 (file)
--- a/sound/oss/dmasound/dmasound_awacs.c
+++ b/sound/oss/dmasound/dmasound_awacs.c
@@ -80,7 +80,7 @@
 #include <linux/kmod.h>
 #include <linux/interrupt.h>
 #include <linux/input.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 #ifdef CONFIG_ADB_CUDA
 #include <linux/cuda.h>
 #endif
@@ -88,8 +88,6 @@
 #include <linux/pmu.h>
 #endif
 
-#include <linux/i2c-dev.h>
-
 #include <asm/uaccess.h>
 #include <asm/prom.h>
 #include <asm/machdep.h>
@@ -130,7 +128,7 @@ static struct resource awacs_rsrc[3];
 static char awacs_name[64];
 static int awacs_revision;
 static int awacs_sleeping;
-static DECLARE_MUTEX(dmasound_sem);
+static DEFINE_MUTEX(dmasound_mutex);
 
 static int sound_device_id;            /* exists after iMac revA */
 static int hw_can_byteswap = 1 ;       /* most pmac sound h/w can */
@@ -312,11 +310,11 @@ extern int daca_enter_sleep(void);
 extern int daca_leave_sleep(void);
 
 #define TRY_LOCK()     \
-       if ((rc = down_interruptible(&dmasound_sem)) != 0)      \
+       if ((rc = mutex_lock_interruptible(&dmasound_mutex)) != 0)      \
                return rc;
-#define LOCK()         down(&dmasound_sem);
+#define LOCK()         mutex_lock(&dmasound_mutex);
 
-#define UNLOCK()       up(&dmasound_sem);
+#define UNLOCK()       mutex_unlock(&dmasound_mutex);
 
 /* We use different versions that the ones provided in dmasound.h
  * 
@@ -2800,7 +2798,7 @@ __init setup_beep(void)
                        DBDMA_ALIGN(beep_dbdma_cmd_space);
        /* set up emergency dbdma cmd */
        emergency_dbdma_cmd = beep_dbdma_cmd+1 ;
-       beep_buf = (short *) kmalloc(BEEP_BUFLEN * 4, GFP_KERNEL);
+       beep_buf = kmalloc(BEEP_BUFLEN * 4, GFP_KERNEL);
        if (beep_buf == NULL) {
                printk(KERN_ERR "dmasound_pmac: no memory for beep buffer\n");
                kfree(beep_dbdma_cmd_space) ;