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authorLen Brown <len.brown@intel.com>2008-10-23 07:57:26 +0400
committerLen Brown <len.brown@intel.com>2008-10-23 08:11:07 +0400
commit057316cc6a5b521b332a1d7ccc871cd60c904c74 (patch)
tree4333e608da237c73ff69b10878025cca96dcb4c8 /drivers/media/video/cx88/cx88-blackbird.c
parent3e2dab9a1c2deb03c311eb3f83466009147ed4d3 (diff)
parent2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff)
downloadlinux-057316cc6a5b521b332a1d7ccc871cd60c904c74.tar.xz
Merge branch 'linus' into test
Conflicts: MAINTAINERS arch/x86/kernel/acpi/boot.c arch/x86/kernel/acpi/sleep.c drivers/acpi/Kconfig drivers/pnp/Makefile drivers/pnp/quirks.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/media/video/cx88/cx88-blackbird.c')
-rw-r--r--drivers/media/video/cx88/cx88-blackbird.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c
index 9a1374a38ec7..e71369754305 100644
--- a/drivers/media/video/cx88/cx88-blackbird.c
+++ b/drivers/media/video/cx88/cx88-blackbird.c
@@ -1057,12 +1057,15 @@ static int mpeg_open(struct inode *inode, struct file *file)
struct cx8802_driver *drv = NULL;
int err;
+ lock_kernel();
dev = cx8802_get_device(inode);
dprintk( 1, "%s\n", __func__);
- if (dev == NULL)
+ if (dev == NULL) {
+ unlock_kernel();
return -ENODEV;
+ }
/* Make sure we can acquire the hardware */
drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
@@ -1070,6 +1073,7 @@ static int mpeg_open(struct inode *inode, struct file *file)
err = drv->request_acquire(drv);
if(err != 0) {
dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err);
+ unlock_kernel();
return err;
}
}
@@ -1077,6 +1081,7 @@ static int mpeg_open(struct inode *inode, struct file *file)
if (blackbird_initialize_codec(dev) < 0) {
if (drv)
drv->request_release(drv);
+ unlock_kernel();
return -EINVAL;
}
dprintk(1,"open minor=%d\n",minor);
@@ -1086,6 +1091,7 @@ static int mpeg_open(struct inode *inode, struct file *file)
if (NULL == fh) {
if (drv)
drv->request_release(drv);
+ unlock_kernel();
return -ENOMEM;
}
file->private_data = fh;
@@ -1101,6 +1107,7 @@ static int mpeg_open(struct inode *inode, struct file *file)
/* FIXME: locking against other video device */
cx88_set_scale(dev->core, dev->width, dev->height,
fh->mpegq.field);
+ unlock_kernel();
return 0;
}