git: 33f31648b93e - stable/11 - if_firewire: fixing panic upon packet reception for VNET build
Tai-hwa Liang
avatar at FreeBSD.org
Mon May 17 10:00:36 UTC 2021
The branch stable/11 has been updated by avatar:
URL: https://cgit.FreeBSD.org/src/commit/?id=33f31648b93e37aa746c5cde68c61b66564f1759
commit 33f31648b93e37aa746c5cde68c61b66564f1759
Author: Tai-hwa Liang <avatar at FreeBSD.org>
AuthorDate: 2021-04-10 15:32:27 +0000
Commit: Tai-hwa Liang <avatar at FreeBSD.org>
CommitDate: 2021-05-17 09:23:00 +0000
if_firewire: fixing panic upon packet reception for VNET build
netisr_dispatch_src() needs valid VNET pointer or firewire_input() will panic
when receiving a packet.
Reviewed by: glebius
MFC after: 2 weeks
(cherry picked from commit d9b61e7153c64b141436b4d9619b166c6d35a0a6)
---
sys/net/if_fwsubr.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sys/net/if_fwsubr.c b/sys/net/if_fwsubr.c
index f0f6de598f8d..d091d6518060 100644
--- a/sys/net/if_fwsubr.c
+++ b/sys/net/if_fwsubr.c
@@ -632,7 +632,9 @@ firewire_input(struct ifnet *ifp, struct mbuf *m, uint16_t src)
}
M_SETFIB(m, ifp->if_fib);
+ CURVNET_SET_QUIET(ifp->if_vnet);
netisr_dispatch(isr, m);
+ CURVNET_RESTORE();
}
int
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