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| author | Eric Dumazet <edumazet@google.com> | 2019-05-16 08:09:57 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-25 18:26:43 +0200 |
| commit | 350d6591c9670767e1002919dc866c83dddfc806 (patch) | |
| tree | d2d6857fc9cadbe82541915f35265f5b1e2eb1ab /net/core/hwbm.c | |
| parent | a5f56b52c878585b12b8bc37f737dcce4a660c64 (diff) | |
net: avoid weird emergency message
[ Upstream commit d7c04b05c9ca14c55309eb139430283a45c4c25f ]
When host is under high stress, it is very possible thread
running netdev_wait_allrefs() returns from msleep(250)
10 seconds late.
This leads to these messages in the syslog :
[...] unregister_netdevice: waiting for syz_tun to become free. Usage count = 0
If the device refcount is zero, the wait is over.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/core/hwbm.c')
0 files changed, 0 insertions, 0 deletions