V4L/DVB (3380): Semaphore to mutex conversion on drivers/media
- Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/cx88/cx88-core.c b/drivers/media/video/cx88/cx88-core.c
index 194446f..8d6d6a6 100644
--- a/drivers/media/video/cx88/cx88-core.c
+++ b/drivers/media/video/cx88/cx88-core.c
@@ -32,6 +32,7 @@
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/videodev2.h>
+#include <linux/mutex.h>
#include "cx88.h"
#include <media/v4l2-common.h>
@@ -75,7 +76,7 @@
static unsigned int cx88_devcount;
static LIST_HEAD(cx88_devlist);
-static DECLARE_MUTEX(devlist);
+static DEFINE_MUTEX(devlist);
#define NO_SYNC_LINE (-1U)
@@ -1036,7 +1037,7 @@
struct list_head *item;
int i;
- down(&devlist);
+ mutex_lock(&devlist);
list_for_each(item,&cx88_devlist) {
core = list_entry(item, struct cx88_core, devlist);
if (pci->bus->number != core->pci_bus)
@@ -1047,7 +1048,7 @@
if (0 != get_ressources(core,pci))
goto fail_unlock;
atomic_inc(&core->refcount);
- up(&devlist);
+ mutex_unlock(&devlist);
return core;
}
core = kzalloc(sizeof(*core),GFP_KERNEL);
@@ -1122,13 +1123,13 @@
cx88_card_setup(core);
cx88_ir_init(core,pci);
- up(&devlist);
+ mutex_unlock(&devlist);
return core;
fail_free:
kfree(core);
fail_unlock:
- up(&devlist);
+ mutex_unlock(&devlist);
return NULL;
}
@@ -1140,14 +1141,14 @@
if (!atomic_dec_and_test(&core->refcount))
return;
- down(&devlist);
+ mutex_lock(&devlist);
cx88_ir_fini(core);
if (0 == core->i2c_rc)
i2c_bit_del_bus(&core->i2c_adap);
list_del(&core->devlist);
iounmap(core->lmmio);
cx88_devcount--;
- up(&devlist);
+ mutex_unlock(&devlist);
kfree(core);
}