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Subject[PATCH 12/13][Resubmit][drivers/media] changed ioctls to unlocked
Date
From: Stoyan Gaydarov <stoyboyker@gmail.com>

Signed-off-by: Stoyan Gaydarov <stoyboyker@gmail.com>
---
drivers/media/dvb/bt8xx/dst_ca.c | 7 +++++--
drivers/media/video/dabusb.c | 11 ++++++++---
2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/drivers/media/dvb/bt8xx/dst_ca.c b/drivers/media/dvb/bt8xx/dst_ca.c
index 0258451..d3487c5 100644
--- a/drivers/media/dvb/bt8xx/dst_ca.c
+++ b/drivers/media/dvb/bt8xx/dst_ca.c
@@ -552,8 +552,10 @@ free_mem_and_exit:
return result;
}

-static int dst_ca_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long ioctl_arg)
+static long dst_ca_ioctl(struct file *file, unsigned int cmd, unsigned long ioctl_arg)
{
+ lock_kernel();
+
struct dvb_device* dvbdev = (struct dvb_device*) file->private_data;
struct dst_state* state = (struct dst_state*) dvbdev->priv;
struct ca_slot_info *p_ca_slot_info;
@@ -647,6 +649,7 @@ static int dst_ca_ioctl(struct inode *inode, struct file *file, unsigned int cmd
kfree (p_ca_slot_info);
kfree (p_ca_caps);

+ unlock_kernel();
return result;
}

@@ -684,7 +687,7 @@ static ssize_t dst_ca_write(struct file *file, const char __user *buffer, size_t

static struct file_operations dst_ca_fops = {
.owner = THIS_MODULE,
- .ioctl = dst_ca_ioctl,
+ .unlocked_ioctl = dst_ca_ioctl,
.open = dst_ca_open,
.release = dst_ca_release,
.read = dst_ca_read,
diff --git a/drivers/media/video/dabusb.c b/drivers/media/video/dabusb.c
index 298810d..c31e76f 100644
--- a/drivers/media/video/dabusb.c
+++ b/drivers/media/video/dabusb.c
@@ -657,22 +657,26 @@ static int dabusb_release (struct inode *inode, struct file *file)
return 0;
}

-static int dabusb_ioctl (struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static long dabusb_ioctl (struct file *file, unsigned int cmd, unsigned long arg)
{
pdabusb_t s = (pdabusb_t) file->private_data;
pbulk_transfer_t pbulk;
int ret = 0;
int version = DABUSB_VERSION;

+ lock_kernel();
dbg("dabusb_ioctl");

- if (s->remove_pending)
+ if (s->remove_pending) {
+ unlock_kernel();
return -EIO;
+ }

mutex_lock(&s->mutex);

if (!s->usbdev) {
mutex_unlock(&s->mutex);
+ unlock_kernel();
return -EIO;
}

@@ -713,6 +717,7 @@ static int dabusb_ioctl (struct inode *inode, struct file *file, unsigned int cm
break;
}
mutex_unlock(&s->mutex);
+ unlock_kernel();
return ret;
}

@@ -721,7 +726,7 @@ static const struct file_operations dabusb_fops =
.owner = THIS_MODULE,
.llseek = no_llseek,
.read = dabusb_read,
- .ioctl = dabusb_ioctl,
+ .unlocked_ioctl = dabusb_ioctl,
.open = dabusb_open,
.release = dabusb_release,
};
--
1.6.2.1


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