linux-kernel - Re: [PATCH] usb: f_fs: avoid race condition with ffs_epfile_io

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <xa1t37ucure5.fsf@mina86.com>
Date:	Tue, 05 Jan 2016 13:45:06 +0100
From:	Michal Nazarewicz <mina86@...a86.com>
To:	Peter Chen <hzpeterchen@...il.com>,
	"Du\, Changbin" <changbin.du@...el.com>
Cc:	"balbi\@ti.com" <balbi@...com>,
	"gregkh\@linuxfoundation.org" <gregkh@...uxfoundation.org>,
	"viro\@zeniv.linux.org.uk" <viro@...iv.linux.org.uk>,
	"r.baldyga\@samsung.com" <r.baldyga@...sung.com>,
	"rui.silva\@linaro.org" <rui.silva@...aro.org>,
	"k.opasiak\@samsung.com" <k.opasiak@...sung.com>,
	"linux-usb\@vger.kernel.org" <linux-usb@...r.kernel.org>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] usb: f_fs: avoid race condition with ffs_epfile_io_complete

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).


-- 
Best regards,                                         _     _
.o. | Liege of Serenely Enlightened Majesty of      o' \,=./ `o
..o | Computer Science,  ミハウ “mina86” ナザレヴイツ  (o o)
ooo +--<mpn@...gle.com>--<xmpp:mina86@...ber.org>--ooO--(_)--Ooo--
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/