From: Oleg Nesterov <oleg@redhat.com>
Date: Fri, 1 Apr 2011 18:13:01 +0000 (+0200)
Subject: ptrace: ptrace_check_attach() should not do s/STOPPED/TRACED/
X-Git-Tag: v3.0-rc1~382^2~17^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=321fb561971ba0f10ce18c0f8a4b9fbfc7cef4b9;p=pandora-kernel.git

ptrace: ptrace_check_attach() should not do s/STOPPED/TRACED/

After "ptrace: Clean transitions between TASK_STOPPED and TRACED"
d79fdd6d96f46fabb779d86332e3677c6f5c2a4f, ptrace_check_attach()
should never see a TASK_STOPPED tracee and s/STOPPED/TRACED/ is
no longer legal. Add the warning.

Note: ptrace_check_attach() can be greatly simplified, in particular
it doesn't need tasklist. But I'd prefer another patch for that.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
---

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