Greg KH wrote:
> Ok, I've now gotten all of these for .19 and .18.
>
> If I've missed anything, please let me know.
>
> thanks for your patience.
Looks good... Thank you, Greg.
Greg KH wrote:
> This will probably be the last release of the 2.6.19-stable series, so
> if there are patches that you feel should be applied to that tree,
> please let me know.
Normally, I would wait for a patch to appear in Linus' tree before I send it to
-stable,
however, this patch can not wait. Since 2.6.18-stable and 2.6.19-stable have
their last
releases pending review, it is imperative that this final patch be added to the
queue, if
possible.
This patch was recently submitted, and fixes many horrible, previously
unexplained bugs of the
past.
Please queue this for the final 2.6.18 and 2.6.19 -stable releases, as well as
for 2.6.20.1
Thank you,
Michael Krufky
---
dvbdev: fix illegal re-usage of fileoperations struct
From: Marcel Siegert <[EMAIL PROTECTED]>
Arjan van de Ven <[EMAIL PROTECTED]> reported an illegal re-usage of the
fileoperations struct
if more than one dvb device(e.g. frontend) is present. this patch fixes this
issue.
it allocates a new fileoperations struct each time a device is registered and
copies the default
template fileops.
Signed-off-by: Marcel Siegert <[EMAIL PROTECTED]>
Signed-off-by: Michael Krufky <[EMAIL PROTECTED]>
---
linux/drivers/media/dvb/dvb-core/dvbdev.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
--- linux/drivers/media/dvb/dvb-core/dvbdev.c.orig
+++ linux/drivers/media/dvb/dvb-core/dvbdev.c
@@ -211,6 +211,8 @@
const struct dvb_device *template, void *priv, int type)
{
struct dvb_device *dvbdev;
+ struct file_operations *dvbdevfops;
+
int id;
if (mutex_lock_interruptible(&dvbdev_register_lock))
@@ -230,12 +232,22 @@
return -ENOMEM;
}
+ dvbdevfops = kzalloc(sizeof(struct file_operations), GFP_KERNEL);
+
+ if (!dvbdevfops) {
+ kfree (dvbdev);
+ mutex_unlock(&dvbdev_register_lock);
+ return -ENOMEM;
+ }
+
memcpy(dvbdev, template, sizeof(struct dvb_device));
dvbdev->type = type;
dvbdev->id = id;
dvbdev->adapter = adap;
dvbdev->priv = priv;
+ dvbdev->fops = dvbdevfops;
+ memcpy(dvbdev->fops, template->fops, sizeof(struct file_operations));
dvbdev->fops->owner = adap->module;
list_add_tail (&dvbdev->list_head, &adap->device_list);
@@ -263,6 +275,7 @@
dvbdev->type, dvbdev->id)));
list_del (&dvbdev->list_head);
+ kfree (dvbdev->fops);
kfree (dvbdev);
}
EXPORT_SYMBOL(dvb_unregister_device);
-
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