FreeBSD Bugzilla – Attachment 170182 Details for
Bug 209428
if_vtnet(4) panics when doing kldunload if_vtnet
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[patch]
possible fix
virtio-net-unload.diff (text/plain), 666 bytes, created by
Roman Bogorodskiy
on 2016-05-10 15:45:32 UTC
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Description:
possible fix
Filename:
MIME Type:
Creator:
Roman Bogorodskiy
Created:
2016-05-10 15:45:32 UTC
Size:
666 bytes
patch
obsolete
>Index: if_vtnet.c >=================================================================== >--- if_vtnet.c (revision 299234) >+++ if_vtnet.c (working copy) >@@ -323,11 +323,13 @@ > break; > case MOD_QUIESCE: > case MOD_UNLOAD: >- if (uma_zone_get_cur(vtnet_tx_header_zone) > 0) >- error = EBUSY; >- else if (type == MOD_UNLOAD) { >- uma_zdestroy(vtnet_tx_header_zone); >- vtnet_tx_header_zone = NULL; >+ if (vtnet_tx_header_zone) { >+ if (uma_zone_get_cur(vtnet_tx_header_zone) > 0) >+ error = EBUSY; >+ else if (type == MOD_UNLOAD) { >+ uma_zdestroy(vtnet_tx_header_zone); >+ vtnet_tx_header_zone = NULL; >+ } > } > break; > case MOD_SHUTDOWN:
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