@@ -22,7 +22,7 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/init.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/string.h>
#include <linux/dvb/ca.h>
#include "dvbdev.h"
@@ -52,6 +52,7 @@
} while(0)
+static DEFINE_MUTEX(dst_ca_mutex);
static unsigned int verbose = 5;
module_param(verbose, int, 0644);
MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)");
@@ -564,7 +565,7 @@ static long dst_ca_ioctl(struct file *file, unsigned int cmd, unsigned long ioct
void __user *arg = (void __user *)ioctl_arg;
int result = 0;
- lock_kernel();
+ mutex_lock(&dst_ca_mutex);
dvbdev = (struct dvb_device *)file->private_data;
state = (struct dst_state *)dvbdev->priv;
p_ca_message = kmalloc(sizeof (struct ca_msg), GFP_KERNEL);
@@ -652,7 +653,7 @@ static long dst_ca_ioctl(struct file *file, unsigned int cmd, unsigned long ioct
kfree (p_ca_slot_info);
kfree (p_ca_caps);
- unlock_kernel();
+ mutex_unlock(&dst_ca_mutex);
return result;
}
@@ -33,7 +33,7 @@
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/firmware.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <media/cx2341x.h>
@@ -44,6 +44,7 @@ MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
MODULE_LICENSE("GPL");
+static DEFINE_MUTEX(mpeg_mutex);
static unsigned int mpegbufs = 32;
module_param(mpegbufs,int,0644);
MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
@@ -1057,7 +1058,7 @@ static int mpeg_open(struct file *file)
dprintk( 1, "%s\n", __func__);
- lock_kernel();
+ mutex_lock(&mpeg_mutex);
/* Make sure we can acquire the hardware */
drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
@@ -1065,7 +1066,7 @@ static int mpeg_open(struct file *file)
err = drv->request_acquire(drv);
if(err != 0) {
dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err);
- unlock_kernel();
+ mutex_unlock(&mpeg_mutex);
return err;
}
}
@@ -1073,7 +1074,7 @@ static int mpeg_open(struct file *file)
if (!atomic_read(&dev->core->mpeg_users) && blackbird_initialize_codec(dev) < 0) {
if (drv)
drv->request_release(drv);
- unlock_kernel();
+ mutex_unlock(&mpeg_mutex);
return -EINVAL;
}
dprintk(1, "open dev=%s\n", video_device_node_name(vdev));
@@ -1083,7 +1084,7 @@ static int mpeg_open(struct file *file)
if (NULL == fh) {
if (drv)
drv->request_release(drv);
- unlock_kernel();
+ mutex_unlock(&mpeg_mutex);
return -ENOMEM;
}
file->private_data = fh;
@@ -1099,7 +1100,7 @@ static int mpeg_open(struct file *file)
/* FIXME: locking against other video device */
cx88_set_scale(dev->core, dev->width, dev->height,
fh->mpegq.field);
- unlock_kernel();
+ mutex_unlock(&mpeg_mutex);
atomic_inc(&dev->core->mpeg_users);
@@ -32,7 +32,6 @@
#include <linux/list.h>
#include <linux/vmalloc.h>
#include <linux/slab.h>
-#include <linux/smp_lock.h>
#include <linux/init.h>
#include <asm/uaccess.h>
#include <asm/atomic.h>
@@ -61,6 +60,7 @@
/*-------------------------------------------------------------------*/
+static DEFINE_MUTEX(dabusb_mutex);
static dabusb_t dabusb[NRDABUSB];
static int buffers = 256;
static struct usb_driver dabusb_driver;
@@ -621,7 +621,7 @@ static int dabusb_open (struct inode *inode, struct file *file)
if (devnum < DABUSB_MINOR || devnum >= (DABUSB_MINOR + NRDABUSB))
return -EIO;
- lock_kernel();
+ mutex_lock(&dabusb_mutex);
s = &dabusb[devnum - DABUSB_MINOR];
dbg("dabusb_open");
@@ -636,7 +636,7 @@ static int dabusb_open (struct inode *inode, struct file *file)
msleep_interruptible(500);
if (signal_pending (current)) {
- unlock_kernel();
+ mutex_unlock(&dabusb_mutex);
return -EAGAIN;
}
mutex_lock(&s->mutex);
@@ -644,7 +644,7 @@ static int dabusb_open (struct inode *inode, struct file *file)
if (usb_set_interface (s->usbdev, _DABUSB_IF, 1) < 0) {
mutex_unlock(&s->mutex);
dev_err(&s->usbdev->dev, "set_interface failed\n");
- unlock_kernel();
+ mutex_unlock(&dabusb_mutex);
return -EINVAL;
}
s->opened = 1;
@@ -654,7 +654,7 @@ static int dabusb_open (struct inode *inode, struct file *file)
file->private_data = s;
r = nonseekable_open(inode, file);
- unlock_kernel();
+ mutex_unlock(&dabusb_mutex);
return r;
}
@@ -689,9 +689,9 @@ static long dabusb_ioctl (struct file *file, unsigned int cmd, unsigned long arg
dbg("dabusb_ioctl");
- lock_kernel();
+ mutex_lock(&dabusb_mutex);
if (s->remove_pending) {
- unlock_kernel();
+ mutex_unlock(&dabusb_mutex);
return -EIO;
}
@@ -699,7 +699,7 @@ static long dabusb_ioctl (struct file *file, unsigned int cmd, unsigned long arg
if (!s->usbdev) {
mutex_unlock(&s->mutex);
- unlock_kernel();
+ mutex_unlock(&dabusb_mutex);
return -EIO;
}
@@ -740,7 +740,7 @@ static long dabusb_ioctl (struct file *file, unsigned int cmd, unsigned long arg
break;
}
mutex_unlock(&s->mutex);
- unlock_kernel();
+ mutex_unlock(&dabusb_mutex);
return ret;
}
@@ -31,11 +31,12 @@ static const char version[] = "0.24";
#include <linux/init.h>
#include <linux/vmalloc.h>
#include <linux/slab.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/pagemap.h>
#include <linux/usb.h>
#include "se401.h"
+static DEFINE_MUTEX(se401_mutex);
static int flickerless;
static int video_nr = -1;
@@ -951,9 +952,9 @@ static int se401_open(struct file *file)
struct usb_se401 *se401 = (struct usb_se401 *)dev;
int err = 0;
- lock_kernel();
+ mutex_lock(&se401_mutex);
if (se401->user) {
- unlock_kernel();
+ mutex_unlock(&se401_mutex);
return -EBUSY;
}
se401->fbuf = rvmalloc(se401->maxframesize * SE401_NUMFRAMES);
@@ -962,7 +963,7 @@ static int se401_open(struct file *file)
else
err = -ENOMEM;
se401->user = !err;
- unlock_kernel();
+ mutex_unlock(&se401_mutex);
return err;
}
@@ -26,7 +26,7 @@
#include <linux/kernel.h>
#include <linux/major.h>
#include <linux/slab.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/poll.h>
@@ -58,6 +58,7 @@
#define SAA7146_MAX 6
+static DEFINE_MUTEX(saa_mutex);
static struct saa7146 saa7146s[SAA7146_MAX];
static int saa_num; /* number of SAA7146s in use */
@@ -1883,16 +1884,16 @@ static int saa_open(struct file *file)
struct video_device *vdev = video_devdata(file);
struct saa7146 *saa = container_of(vdev, struct saa7146, video_dev);
- lock_kernel();
+ mutex_lock(&saa_mutex);
file->private_data = saa;
saa->user++;
if (saa->user > 1) {
- unlock_kernel();
+ mutex_unlock(&saa_mutex);
return 0; /* device open already, don't reset */
}
saa->writemode = VID_WRITE_MPEG_VID; /* default to video */
- unlock_kernel();
+ mutex_unlock(&saa_mutex);
return 0;
}
@@ -43,7 +43,6 @@
#include <linux/vmalloc.h>
#include <linux/mm.h>
#include <linux/slab.h>
-#include <linux/smp_lock.h>
#include <linux/mutex.h>
#include <linux/firmware.h>
#include <linux/ihex.h>
@@ -81,6 +80,7 @@
* in the future.
*
*/
+static DEFINE_MUTEX(vicam_mutex);
static void *rvmalloc(unsigned long size)
{
void *mem;
@@ -488,24 +488,24 @@ vicam_open(struct file *file)
* rely on this fact forever.
*/
- lock_kernel();
+ mutex_lock(&vicam_mutex);
if (cam->open_count > 0) {
printk(KERN_INFO
"vicam_open called on already opened camera");
- unlock_kernel();
+ mutex_unlock(&vicam_mutex);
return -EBUSY;
}
cam->raw_image = kmalloc(VICAM_MAX_READ_SIZE, GFP_KERNEL);
if (!cam->raw_image) {
- unlock_kernel();
+ mutex_unlock(&vicam_mutex);
return -ENOMEM;
}
cam->framebuf = rvmalloc(VICAM_MAX_FRAME_SIZE * VICAM_FRAMES);
if (!cam->framebuf) {
kfree(cam->raw_image);
- unlock_kernel();
+ mutex_unlock(&vicam_mutex);
return -ENOMEM;
}
@@ -513,7 +513,7 @@ vicam_open(struct file *file)
if (!cam->cntrlbuf) {
kfree(cam->raw_image);
rvfree(cam->framebuf, VICAM_MAX_FRAME_SIZE * VICAM_FRAMES);
- unlock_kernel();
+ mutex_unlock(&vicam_mutex);
return -ENOMEM;
}
@@ -531,7 +531,7 @@ vicam_open(struct file *file)
cam->open_count++;
file->private_data = cam;
- unlock_kernel();
+ mutex_unlock(&vicam_mutex);
return 0;
}