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authorMauro Carvalho Chehab <mchehab@infradead.org>2008-08-04 09:28:25 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-08-04 09:28:25 -0300
commite465ad8685774c7c9a2cf71e9d196b7aaa8cae35 (patch)
treeb1f83dd9bf6f9447f4f1491b6974315b5bc99ee9 /linux/drivers/media/video/s2255drv.c
parent4be14b5602f1f21b6e2a436f240a12797888ae48 (diff)
parentc8b5c505811fd4797e0ea35bcc60478d626a0971 (diff)
downloadmediapointer-dvb-s2-e465ad8685774c7c9a2cf71e9d196b7aaa8cae35.tar.gz
mediapointer-dvb-s2-e465ad8685774c7c9a2cf71e9d196b7aaa8cae35.tar.bz2
merge: http://www.linuxtv.org/hg/~hverkuil/v4l-dvb-bkl
From: Mauro Carvalho Chehab <mchehab@infradead.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'linux/drivers/media/video/s2255drv.c')
-rw-r--r--linux/drivers/media/video/s2255drv.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/linux/drivers/media/video/s2255drv.c b/linux/drivers/media/video/s2255drv.c
index 85e98c9d2..939edff48 100644
--- a/linux/drivers/media/video/s2255drv.c
+++ b/linux/drivers/media/video/s2255drv.c
@@ -1457,6 +1457,7 @@ static int s2255_open(struct inode *inode, struct file *file)
int cur_channel = -1;
dprintk(1, "s2255: open called (minor=%d)\n", minor);
+ lock_kernel();
list_for_each(list, &s2255_devlist) {
h = list_entry(list, struct s2255_dev, s2255_devlist);
for (i = 0; i < MAX_CHANNELS; i++) {
@@ -1469,6 +1470,7 @@ static int s2255_open(struct inode *inode, struct file *file)
}
if ((NULL == dev) || (cur_channel == -1)) {
+ unlock_kernel();
dprintk(1, "s2255: openv4l no dev\n");
return -ENODEV;
}
@@ -1490,6 +1492,7 @@ static int s2255_open(struct inode *inode, struct file *file)
printk(KERN_INFO "2255 FW load failed.\n");
dev->users[cur_channel]--;
mutex_unlock(&dev->open_lock);
+ unlock_kernel();
return -EFAULT;
}
} else if (atomic_read(&dev->fw_data->fw_state) == S2255_FW_NOTLOADED) {
@@ -1506,6 +1509,7 @@ static int s2255_open(struct inode *inode, struct file *file)
"try again\n");
dev->users[cur_channel]--;
mutex_unlock(&dev->open_lock);
+ unlock_kernel();
return -EBUSY;
}
}
@@ -1515,6 +1519,7 @@ static int s2255_open(struct inode *inode, struct file *file)
if (NULL == fh) {
dev->users[cur_channel]--;
mutex_unlock(&dev->open_lock);
+ unlock_kernel();
return -ENOMEM;
}
@@ -1548,6 +1553,7 @@ static int s2255_open(struct inode *inode, struct file *file)
kref_get(&dev->kref);
mutex_unlock(&dev->open_lock);
+ unlock_kernel();
return 0;
}