My kernel version is 3.0. I just want to get some useful information from this patch. Because the patch seems solved the same problem as mine. At 2014-08-08 01:56:52, "Greg KH" <greg@xxxxxxxxx> wrote: >On Fri, Aug 08, 2014 at 01:42:53PM +0800, w wrote: >> >> I got a patch from git log,this patch is about the cdc-acm. > >From 2009? > >> But what should i do to solve my problem? > >I don't understand, are you using a kernel older than 2009? > >What kernel version are you using? > >confused, > >greg k-h ?韬{.n?壏煯壄?%娝?檩?w?{.n?壏{炳??韰骅w*jg?秹殠娸?G珴?⒏⒎:+v墾妛鑚豰稛??畐娻"穐殢鉂?嗁?