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sys_setsid: remove now unneeded session != 1 check
Eric's "fix clone(CLONE_NEWPID)" eliminated the last reason for this hack. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Roland McGrath <roland@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -1056,11 +1056,8 @@ asmlinkage long sys_setsid(void)
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/* Fail if a process group id already exists that equals the
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/* Fail if a process group id already exists that equals the
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* proposed session id.
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* proposed session id.
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*
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* Don't check if session == 1, clone(CLONE_NEWPID) creates
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* this group/session beforehand.
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*/
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*/
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if (session != 1 && pid_task(sid, PIDTYPE_PGID))
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if (pid_task(sid, PIDTYPE_PGID))
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goto out;
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goto out;
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group_leader->signal->leader = 1;
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group_leader->signal->leader = 1;
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