kernel/signal.c: fix a comment error

Because get_signal_to_deliver() was renamed to get_signal() the
comment should be fixed.

Link: http://lkml.kernel.org/r/1539179128-45709-1-git-send-email-swkhack@gmail.com
Signed-off-by: Weikang Shi <swkhack@gmail.com>
Reported-by: Christian Brauner <christian@brauner.io>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Anna-Maria Gleixner <anna-maria@linutronix.de>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/ia64/kernel/signal.c

@@ -344,10 +344,10 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
 		get_signal(&ksig);
 
 		/*
-		 * get_signal_to_deliver() may have run a debugger (via notify_parent())
+		 * get_signal() may have run a debugger (via notify_parent())
 		 * and the debugger may have modified the state (e.g., to arrange for an
 		 * inferior call), thus it's important to check for restarting _after_
-		 * get_signal_to_deliver().
+		 * get_signal().
 		 */
 		if ((long) scr->pt.r10 != -1)
 			/*

kernel/signal.c

@@ -892,7 +892,7 @@ static bool prepare_signal(int sig, struct task_struct *p, bool force)
 			/*
 			 * The first thread which returns from do_signal_stop()
 			 * will take ->siglock, notice SIGNAL_CLD_MASK, and
-			 * notify its parent. See get_signal_to_deliver().
+			 * notify its parent. See get_signal().
 			 */
 			signal_set_stop_flags(signal, why | SIGNAL_STOP_CONTINUED);
 			signal->group_stop_count = 0;