https://github.com/torvalds/linux
Revision 7c61c3d8f44d5d822f758754287af644307b4af9 authored by Peter Hurley on 13 June 2013, 19:56:37 UTC, committed by Greg Kroah-Hartman on 17 June 2013, 19:37:29 UTC
Commit 699390354da6c258b65bf8fa79cfd5feaede50b6
('pty: Ignore slave pty close() if never successfully opened')
introduced a bug with ptys whereby a write() in parallel with an
open() on an existing pty could mistakenly indicate an I/O error.

Only indicate an I/O error if the condition on open() actually exists.

Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Tested-by: Mikael Pettersson <mikpe@it.uu.se>
Cc: stable <stable@vger.kernel.org> # 3.9
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 parent ef223fb
History
Tip revision: 7c61c3d8f44d5d822f758754287af644307b4af9 authored by Peter Hurley on 13 June 2013, 19:56:37 UTC
tty: Fix transient pty write() EIO
Tip revision: 7c61c3d
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