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Re: [PATCH] usb: f_fs: avoid race condition with ffs_epfile_io_complete

From Michal Nazarewicz <mina86@mina86.com>
Newsgroups linux.kernel
Subject Re: [PATCH] usb: f_fs: avoid race condition with ffs_epfile_io_complete
Date 2016-01-05 13:50 +0100
Message-ID <qNzdM-2Op-3@gated-at.bofh.it> (permalink)
References <qKWgy-5cf-7@gated-at.bofh.it> <qNqDv-4wz-1@gated-at.bofh.it> <qNrgd-514-1@gated-at.bofh.it> <qNsOZ-5ZH-5@gated-at.bofh.it>
Organization http://mina86.com/

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On Tue, Jan 05 2016, Peter Chen wrote:
> Why -EINTR, the kernel-doc said it should return -ECONNRESET for
> active request, see include/linux/usb/gadget.h.

Because EINTR is what read returns to the user if the operation has been
interrupted by a signal, see ‘man 2 read’:

       EINTR The call was interrupted by a signal before any data was
       read; see signal(7).


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Thread

Re: [PATCH] usb: f_fs: avoid race condition with  ffs_epfile_io_complete Peter Chen <hzpeterchen@gmail.com> - 2016-01-05 04:40 +0100
  RE: [PATCH] usb: f_fs: avoid race condition with  ffs_epfile_io_complete "Du, Changbin" <changbin.du@intel.com> - 2016-01-05 05:20 +0100
    Re: [PATCH] usb: f_fs: avoid race condition with  ffs_epfile_io_complete Peter Chen <hzpeterchen@gmail.com> - 2016-01-05 07:00 +0100
      RE: [PATCH] usb: f_fs: avoid race condition with  ffs_epfile_io_complete "Du, Changbin" <changbin.du@intel.com> - 2016-01-05 07:30 +0100
      Re: [PATCH] usb: f_fs: avoid race condition with ffs_epfile_io_complete Michal Nazarewicz <mina86@mina86.com> - 2016-01-05 13:50 +0100

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