Hi,
this patch fix :
Subject : ueagle-atm Oops
References : http://lkml.org/lkml/2006/10/6/390
Submitter : Ernst Herzberg <[email protected]>
Caused-By : Greg Kroah-Hartman <[email protected]>
commit e7ccdfec087f02930c5cdc81143d4a045ae8d361
Handled-By : Matthieu Castet <[email protected]>
Laurent Riffard
Patch : https://mail.gna.org/public/ueagleatm-dev/2006-10/msg00022.html
Status : "patch available, but some cleaning is needed"
---
The array of attribute passed to sysfs_create_group() must be
NULL-terminated.
The sysfs entries are created before the start of the modem state machine to avoid to stop it in case of errors in sysfs creation.
Also {destroy,create}_fs_entries are removed as they do nothing.
Signed-off-by: Laurent Riffard <[email protected]>
Signed-off-by: Matthieu CASTET <[email protected]>
Index: linux-2.6.16/drivers/usb/atm/ueagle-atm.c
===================================================================
--- linux-2.6.16.orig/drivers/usb/atm/ueagle-atm.c 2006-10-10 19:29:39.000000000 +0200
+++ linux-2.6.16/drivers/usb/atm/ueagle-atm.c 2006-10-11 19:05:44.000000000 +0200
@@ -1648,16 +1648,12 @@
&dev_attr_stat_usunc.attr,
&dev_attr_stat_dsunc.attr,
&dev_attr_stat_firmid.attr,
+ NULL,
};
static struct attribute_group attr_grp = {
.attrs = attrs,
};
-static int create_fs_entries(struct usb_interface *intf)
-{
- return sysfs_create_group(&intf->dev.kobj, &attr_grp);
-}
-
static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf,
const struct usb_device_id *id)
{
@@ -1717,31 +1713,25 @@
}
}
+ ret = sysfs_create_group(&intf->dev.kobj, &attr_grp);
+ if (ret < 0)
+ goto error;
+
ret = uea_boot(sc);
- if (ret < 0) {
- kfree(sc);
- return ret;
- }
+ if (ret < 0)
+ goto error;
- ret = create_fs_entries(intf);
- if (ret) {
- uea_stop(sc);
- kfree(sc);
- return ret;
- }
return 0;
-}
-
-static void destroy_fs_entries(struct usb_interface *intf)
-{
- sysfs_remove_group(&intf->dev.kobj, &attr_grp);
+error:
+ kfree(sc);
+ return ret;
}
static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf)
{
struct uea_softc *sc = usbatm->driver_data;
- destroy_fs_entries(intf);
+ sysfs_remove_group(&intf->dev.kobj, &attr_grp);
uea_stop(sc);
kfree(sc);
}
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