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Fix a panic unloading the bktr driver when devfs is in use.

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PR:	kern/36413
This commit is contained in:
Roger Hardiman 2002-12-09 09:04:09 +00:00
parent 990b4b2dc5
commit 2cfff6e8ef
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=107699
1 changed files with 2 additions and 10 deletions
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12
sys/dev/bktr/bktr_os.c
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@ -494,20 +494,12 @@ bktr_detach( device_t dev )
/* The memory is retained by the bktr_mem module so we can unload and */
/* then reload the main bktr driver module */
/* Unregister the /dev/bktrN, tunerN and vbiN devices */
/* Unregister the /dev/bktrN, tunerN and vbiN devices,
* the aliases for unit 0 are automatically destroyed */
destroy_dev(bktr->vbidev);
destroy_dev(bktr->tunerdev);
destroy_dev(bktr->bktrdev);
/* If this is unit 0, then destroy the alias entries too */
#if (__FreeBSD_version >=500000)
if (unit == 0) {
destroy_dev(bktr->vbidev_alias);
destroy_dev(bktr->tunerdev_alias);
destroy_dev(bktr->bktrdev_alias);
}
#endif
/*
* Deallocate resources.
*/