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| author |   Jason A. Donenfeld <Jason@zx2c4.com> | 2021-05-20 18:26:01 +0200 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2021-05-20 18:26:01 +0200 |
| commit | 99e8b4ba605538b64c693c4056904f34810c3938 (patch) | |
| tree | 87bc010144d676f7d74d838e3f475876ffa808fa /device | |
| parent | conn: linux: protect read fds (diff) | |
| download | wireguard-go-99e8b4ba605538b64c693c4056904f34810c3938.tar.xz wireguard-go-99e8b4ba605538b64c693c4056904f34810c3938.zip | |
tun: linux: account for interface removal from outside
On Linux we can run `ip link del wg0`, in which case the fd becomes
stale, and we should exit. Since this is an intentional action, don't
treat it as an error.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'device')
| -rw-r--r-- | device/send.go | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/device/send.go b/device/send.go index e07df1b..a4f07e4 100644 --- a/device/send.go +++ b/device/send.go @@ -8,7 +8,9 @@ package device import ( "bytes" "encoding/binary" + "errors" "net" + "os" "sync" "sync/atomic" "time" @@ -227,7 +229,9 @@ func (device *Device) RoutineReadFromTUN() { if err != nil { if !device.isClosed() { - device.log.Errorf("Failed to read packet from TUN device: %v", err) + if !errors.Is(err, os.ErrClosed) { + device.log.Errorf("Failed to read packet from TUN device: %v", err) + } go device.Close() } device.PutMessageBuffer(elem.buffer) |