tty: Move session_of_pgrp() and make static

tiocspgrp() is the lone caller of session_of_pgrp(); relocate and
limit to file scope.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Reviewed-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 0 insertions, 21 deletions

diff --git a/kernel/exit.c b/kernel/exit.c
index 5d30019ff953..6a3e2e5004ba 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -215,27 +215,6 @@ repeat:
 }
 
 /*
- * This checks not only the pgrp, but falls back on the pid if no
- * satisfactory pgrp is found. I dunno - gdb doesn't work correctly
- * without this...
- *
- * The caller must hold rcu lock or the tasklist lock.
- */
-struct pid *session_of_pgrp(struct pid *pgrp)
-{
-        struct task_struct *p;
-        struct pid *sid = NULL;
-
-        p = pid_task(pgrp, PIDTYPE_PGID);
-        if (p == NULL)
-                p = pid_task(pgrp, PIDTYPE_PID);
-        if (p != NULL)
-                sid = task_session(p);
-
-        return sid;
-}
-
-/*
  * Determine if a process group is "orphaned", according to the POSIX
  * definition in 2.2.2.52.  Orphaned process groups are not to be affected
  * by terminal-generated stop signals.  Newly orphaned process groups are