[PATCH 2/4] signal: cosmetic, s/from_ancestor_ns/force/ inprepare_signal() paths

[Oleg Nesterov]

Cosmetic, rename the from_ancestor_ns argument in prepare_signal()
paths. After the previous change it doesn't match the reality.

Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
---
 kernel/signal.c |   15 +++++++--------
 1 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index bfb2b97..541905b 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -58,21 +58,20 @@ static int sig_handler_ignored(void __user *handler, int sig)
 		(handler == SIG_DFL && sig_kernel_ignore(sig));
 }
 
-static int sig_task_ignored(struct task_struct *t, int sig,
-		int from_ancestor_ns)
+static int sig_task_ignored(struct task_struct *t, int sig, bool force)
 {
 	void __user *handler;
 
 	handler = sig_handler(t, sig);
 
 	if (unlikely(t->signal->flags & SIGNAL_UNKILLABLE) &&
-			handler == SIG_DFL && !from_ancestor_ns)
+			handler == SIG_DFL && !force)
 		return 1;
 
 	return sig_handler_ignored(handler, sig);
 }
 
-static int sig_ignored(struct task_struct *t, int sig, int from_ancestor_ns)
+static int sig_ignored(struct task_struct *t, int sig, bool force)
 {
 	/*
 	 * Blocked signals are never ignored, since the
@@ -82,7 +81,7 @@ static int sig_ignored(struct task_struct *t, int sig, int from_ancestor_ns)
 	if (sigismember(&t->blocked, sig) || sigismember(&t->real_blocked, sig))
 		return 0;
 
-	if (!sig_task_ignored(t, sig, from_ancestor_ns))
+	if (!sig_task_ignored(t, sig, force))
 		return 0;
 
 	/*
@@ -855,7 +854,7 @@ static void ptrace_trap_notify(struct task_struct *t)
  * Returns true if the signal should be actually delivered, otherwise
  * it should be dropped.
  */
-static int prepare_signal(int sig, struct task_struct *p, int from_ancestor_ns)
+static int prepare_signal(int sig, struct task_struct *p, bool force)
 {
 	struct signal_struct *signal = p->signal;
 	struct task_struct *t;
@@ -915,7 +914,7 @@ static int prepare_signal(int sig, struct task_struct *p, int from_ancestor_ns)
 		}
 	}
 
-	return !sig_ignored(p, sig, from_ancestor_ns);
+	return !sig_ignored(p, sig, force);
 }
 
 /*
@@ -1595,7 +1594,7 @@ int send_sigqueue(struct sigqueue *q, struct task_struct *t, int group)
 		goto ret;
 
 	ret = 1; /* the signal is ignored */
-	if (!prepare_signal(sig, t, 0))
+	if (!prepare_signal(sig, t, false))
 		goto out;
 
 	ret = 0;
-- 
1.5.5.1


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