net/irda: Fix port open counts
Saving the port count bump is unsafe. If the tty is hung up while this open was blocking, the port count is zeroed. Explicitly check if the tty was hung up while blocking, and correct the port count if not. Signed-off-by: NPeter Hurley <peter@hurleysoftware.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
Showing
想要评论请 注册 或 登录