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(parent: edb0e63) | patch
cxgbe/netmap: Fix cxgbe netmap when interface is DOWN
authorjch <jch@FreeBSD.org>
Mon, 12 Nov 2018 17:57:12 +0000 (17:57 +0000)
committerjch <jch@FreeBSD.org>
Mon, 12 Nov 2018 17:57:12 +0000 (17:57 +0000)
commit10487ea1816d78384f0be0a50341b4c6d9bf88e3
treeaa062577b458fd029f2543210cbd7adf385012f7tree | snapshot
parentedb0e6340448d179403e3e34197b6415170b729acommit | diff
cxgbe/netmap: Fix cxgbe netmap when interface is DOWN

A kernel panic can occur if the cxgbe interface is DOWN
when activating netmap. This patch prevents the driver
from freeing up cxgbe netmap resources when they have not
been allocated.

Submitted by: Nicolas Witkowski <nwitkowski@verisign.com>
Reviewed by: np
MFC after: 1 week
Sponsored by: Verisign, Inc.
Differential Revision: https://reviews.freebsd.org/D17802
sys/dev/cxgbe/t4_netmap.c diff | blob | history
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