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staging: comedi: prevent auto-unconfig of manually configured devices
[pandora-kernel.git]
/
drivers
/
staging
/
comedi
/
comedi_fops.c
diff --git
a/drivers/staging/comedi/comedi_fops.c
b/drivers/staging/comedi/comedi_fops.c
index
a023f52
..
fe4dbf3
100644
(file)
--- a/
drivers/staging/comedi/comedi_fops.c
+++ b/
drivers/staging/comedi/comedi_fops.c
@@
-143,6
+143,9
@@
static long comedi_unlocked_ioctl(struct file *file, unsigned int cmd,
}
rc = do_devconfig_ioctl(dev,
(struct comedi_devconfig __user *)arg);
+ if (rc == 0)
+ /* Evade comedi_auto_unconfig(). */
+ dev_file_info->hardware_device = NULL;
goto done;
}