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Re: [PATCH] usb: gadget: f_fs: report error if excess data received

From Michal Nazarewicz <mina86@mina86.com>
Newsgroups linux.kernel
Subject Re: [PATCH] usb: gadget: f_fs: report error if excess data received
Date 2016-05-11 14:40 +0200
Message-ID <rxBAL-8ht-17@gated-at.bofh.it> (permalink)
References <rxzIC-6qu-23@gated-at.bofh.it> <rxAbD-77O-1@gated-at.bofh.it>
Organization http://mina86.com/

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On Wed, May 11 2016, Felipe Balbi wrote:
> Also, returning -EOVERFLOW is not exactly correct here, because you'd
> violate POSIX specification of read(), right ?

Maybe we could piggyback on:

       EINVAL fd was created via a call to timerfd_create(2) and the
              wrong size buffer was given to read();

But I kinda agree.  I’m not sure how much we need to care about this
instead of having user space round their buffers up to the nearest max
packet size boundary.

-- 
Best regards
ミハウ “𝓶𝓲𝓷𝓪86” ナザレヴイツ
«If at first you don’t succeed, give up skydiving»

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Thread

[PATCH] usb: gadget: f_fs: report error if excess data received changbin.du@intel.com - 2016-05-11 12:40 +0200
  Re: [PATCH] usb: gadget: f_fs: report error if excess data received Felipe Balbi <balbi@kernel.org> - 2016-05-11 13:10 +0200
    Re: [PATCH] usb: gadget: f_fs: report error if excess data received Michal Nazarewicz <mina86@mina86.com> - 2016-05-11 14:40 +0200
      RE: [PATCH] usb: gadget: f_fs: report error if excess data received "Du, Changbin" <changbin.du@intel.com> - 2016-05-12 06:30 +0200
    RE: [PATCH] usb: gadget: f_fs: report error if excess data received "Du, Changbin" <changbin.du@intel.com> - 2016-05-12 06:30 +0200
      RE: [PATCH] usb: gadget: f_fs: report error if excess data received Felipe Balbi <balbi@kernel.org> - 2016-05-12 09:00 +0200
        RE: [PATCH] usb: gadget: f_fs: report error if excess data received "Du, Changbin" <changbin.du@intel.com> - 2016-05-12 09:40 +0200
          RE: [PATCH] usb: gadget: f_fs: report error if excess data received Felipe Balbi <felipe.balbi@linux.intel.com> - 2016-05-12 09:50 +0200
            RE: [PATCH] usb: gadget: f_fs: report error if excess data received "Du, Changbin" <changbin.du@intel.com> - 2016-05-12 10:20 +0200
              RE: [PATCH] usb: gadget: f_fs: report error if excess data received Felipe Balbi <felipe.balbi@linux.intel.com> - 2016-05-12 11:20 +0200
                RE: [PATCH] usb: gadget: f_fs: report error if excess data received Felipe Balbi <felipe.balbi@linux.intel.com> - 2016-05-12 11:30 +0200
                RE: [PATCH] usb: gadget: f_fs: report error if excess data received "Du, Changbin" <changbin.du@intel.com> - 2016-05-12 12:00 +0200
                RE: [PATCH] usb: gadget: f_fs: report error if excess data received "Du, Changbin" <changbin.du@intel.com> - 2016-05-12 11:50 +0200
                RE: [PATCH] usb: gadget: f_fs: report error if excess data received Felipe Balbi <felipe.balbi@linux.intel.com> - 2016-05-12 12:20 +0200
                RE: [PATCH] usb: gadget: f_fs: report error if excess data received Felipe Balbi <felipe.balbi@linux.intel.com> - 2016-05-12 12:20 +0200
                RE: [PATCH] usb: gadget: f_fs: report error if excess data received "Du, Changbin" <changbin.du@intel.com> - 2016-05-12 12:50 +0200
                RE: [PATCH] usb: gadget: f_fs: report error if excess data received Felipe Balbi <felipe.balbi@linux.intel.com> - 2016-05-12 13:30 +0200

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