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authorPeter Hurley <peter@hurleysoftware.com>2013-09-25 20:13:04 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-09-25 17:52:17 -0700
commit5cec7bf699c61d14f0538345076480bb8c8ebfbb (patch)
tree792107a7c2be90abd50297c9c272a7ea0aa136f6 /Documentation
parent93a8d4163ecd3fd8aac264707f1d497f193ea88d (diff)
downloadlinux-5cec7bf699c61d14f0538345076480bb8c8ebfbb.tar.bz2
tty: Fix SIGTTOU not sent with tcflush()
Commit 'e7f3880cd9b98c5bf9391ae7acdec82b75403776' tty: Fix recursive deadlock in tty_perform_flush() introduced a regression where tcflush() does not generate SIGTTOU for background process groups. Make sure ioctl(TCFLSH) calls tty_check_change() when invoked from the line discipline. Cc: stable@vger.kernel.org # v3.10+ Reported-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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