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Add missing lock upon initialization of the interface

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Lack of this lock was causing crash if down was called in
parallel with the initialization routine.

Submitted by:   Michal Krawczyk <mk@semihalf.com>
Obtained from:  Semihalf
Sponsored by:   Amazon.com Inc.
This commit is contained in:
Zbigniew Bodek 2017-07-03 23:59:11 +00:00
parent 61b0ecf4fb
commit 3d3a90f9ab
1 changed files with 4 additions and 1 deletions
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5
sys/dev/ena/ena.c
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@ -2276,8 +2276,11 @@ ena_init(void *arg)
{
struct ena_adapter *adapter = (struct ena_adapter *)arg;
if (adapter->up == false)
if (adapter->up == false) {
sx_xlock(&adapter->ioctl_sx);
ena_up(adapter);
sx_unlock(&adapter->ioctl_sx);
}
return;
}