conn: windows: reset ring to starting position after free

zx2c4 · zx2c4 · commit 5f6bbe4ae8b2 · 2021-04-09T18:09:41.000-06:00
Signed-off-by: Jason A. Donenfeld &lt;Jason@zx2c4.com&gt;
diff --git a/conn/bind_windows.go b/conn/bind_windows.go
@@ -197,6 +197,9 @@ func (ring *ringBuffer) CloseAndZero() {
 		windows.VirtualFree(ring.packets, 0, windows.MEM_RELEASE)
 		ring.packets = 0
 	}
+	ring.head = 0
+	ring.tail = 0
+	ring.isFull = false
 }
 
 func (bind *afWinRingBind) CloseAndZero() {

Original file line number	Diff line number	Diff line change
`@@ -197,6 +197,9 @@ func (ring *ringBuffer) CloseAndZero() {`
`197`	`197`	`windows.VirtualFree(ring.packets, 0, windows.MEM_RELEASE)`
`198`	`198`	`ring.packets = 0`
`199`	`199`	`}`
	`200`	`+ ring.head = 0`
	`201`	`+ ring.tail = 0`
	`202`	`+ ring.isFull = false`
`200`	`203`	`}`
`201`	`204`
`202`	`205`	`func (bind *afWinRingBind) CloseAndZero() {`