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vt(4): Fix a LOR which occurs during a call to vt_upgrade()

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Reported by:	kib@
Review:		https://reviews.freebsd.org/D785
Reviewed by:	ray@
Approved by:	ray@
MFC after:	2 days
This commit is contained in:
Jean-Sébastien Pédron 2014-09-16 17:42:37 +00:00
parent 8bafac5444
commit 1952f0b519
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=271682
1 changed files with 1 additions and 1 deletions
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2
sys/dev/vt/vt_core.c
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@ -2405,7 +2405,6 @@ vt_allocate(struct vt_driver *drv, void *softc)
main_vd->vd_driver->vd_name, drv->vd_name);
}
vd = main_vd;
VT_LOCK(vd);
if (vd->vd_flags & VDF_ASYNC) {
/* Stop vt_flush periodic task. */
@ -2421,6 +2420,7 @@ vt_allocate(struct vt_driver *drv, void *softc)
* Reset VDF_TEXTMODE flag, driver who require that flag (vt_vga) will
* set it.
*/
VT_LOCK(vd);
vd->vd_flags &= ~VDF_TEXTMODE;
vd->vd_driver = drv;