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Fix a panic unloading the bktr driver when devfs is in use.
PR: kern/36413
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commit
2cfff6e8ef
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=107699
@ -494,20 +494,12 @@ bktr_detach( device_t dev )
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/* The memory is retained by the bktr_mem module so we can unload and */
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/* then reload the main bktr driver module */
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/* Unregister the /dev/bktrN, tunerN and vbiN devices */
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/* Unregister the /dev/bktrN, tunerN and vbiN devices,
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* the aliases for unit 0 are automatically destroyed */
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destroy_dev(bktr->vbidev);
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destroy_dev(bktr->tunerdev);
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destroy_dev(bktr->bktrdev);
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/* If this is unit 0, then destroy the alias entries too */
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#if (__FreeBSD_version >=500000)
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if (unit == 0) {
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destroy_dev(bktr->vbidev_alias);
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destroy_dev(bktr->tunerdev_alias);
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destroy_dev(bktr->bktrdev_alias);
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}
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#endif
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/*
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* Deallocate resources.
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*/
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