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Dont accidentally remove a filesocket which is still in use. This gives

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problems when the DRM driver is loaded and the AIXGL extension is loaded
, the AIXGL driver requests a drm_close and this will cause the radeon
driver to fail while starting X windows.

PR:		kern/114688
Submitted by:	vehemens <vehemens at verizon dot net>
Prodded by:	Robert Noland
Approved by:	imp (mentor, a while ago already), anholt
MFC After:	1 week
This commit is contained in:
Remko Lodder 2008-01-16 13:54:40 +00:00
parent 82d16f31df
commit 149e9017bd
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=175381
1 changed files with 9 additions and 6 deletions
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15
sys/dev/drm/drm_drv.c
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@ -711,6 +711,9 @@ int drm_close(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p)
return EINVAL;
}
if (--priv->refs != 0)
goto done;
if (dev->driver.preclose != NULL)
dev->driver.preclose(dev, filp);
@ -786,17 +789,17 @@ int drm_close(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p)
dev->buf_pgid = 0;
#endif /* __NetBSD__ || __OpenBSD__ */
if (--priv->refs == 0) {
if (dev->driver.postclose != NULL)
dev->driver.postclose(dev, priv);
TAILQ_REMOVE(&dev->files, priv, link);
free(priv, M_DRM);
}
if (dev->driver.postclose != NULL)
dev->driver.postclose(dev, priv);
TAILQ_REMOVE(&dev->files, priv, link);
free(priv, M_DRM);
/* ========================================================
* End inline drm_release
*/
done:
atomic_inc( &dev->counts[_DRM_STAT_CLOSES] );
#ifdef __FreeBSD__
device_unbusy(dev->device);