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Untangle the device_busy()/device_unbusy() calls so that the driver can be

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unloaded.
This commit is contained in:
Doug Rabson 2000-06-10 14:13:51 +00:00
parent 85dba8ea02
commit dff195687c
1 changed files with 2 additions and 5 deletions
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7
bsd/mga/mga_drv.c
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@ -367,8 +367,6 @@ static int mga_takedown(drm_device_t *dev)
}
lockmgr(&dev->dev_lock, LK_RELEASE, 0, curproc);
device_unbusy(dev->device);
return 0;
}
@ -462,8 +460,6 @@ void mga_cleanup(device_t nbdev)
}
#endif
device_busy(dev->device);
mga_takedown(dev);
if (dev->agp) {
drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS);
@ -514,7 +510,7 @@ mga_open(dev_t kdev, int flags, int fmt, struct proc *p)
simple_lock(&dev->count_lock);
if (!dev->open_count++) {
simple_unlock(&dev->count_lock);
return mga_setup(dev);
retcode = mga_setup(dev);
}
simple_unlock(&dev->count_lock);
}
@ -607,6 +603,7 @@ mga_close(dev_t kdev, int flags, int fmt, struct proc *p)
return EBUSY;
}
simple_unlock(&dev->count_lock);
device_unbusy(dev->device);
return mga_takedown(dev);
}
simple_unlock(&dev->count_lock);