linux-kernel - [PATCH] kernel/kprobes: kprobes_built

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Date:   Fri, 15 Dec 2017 14:41:12 +0800
From:   guzhifeng <guzhifeng@...s.chinamobile.com>
To:     ananth@...ux.vnet.ibm.com, anil.s.keshavamurthy@...el.com,
        davem@...emloft.net, mhiramat@...nel.org
Cc:     linux-kernel@...r.kernel.org,
        guzhifeng <guzhifeng@...s.chinamobile.com>
Subject: [PATCH] kernel/kprobes: kprobes_built_in can be boolean

This patch makes kprobes_built_in return bool due to this
particular function only using either one or zero as its return
value.

No functional change.

Signed-off-by: guzhifeng <guzhifeng@...s.chinamobile.com>
---
 include/linux/kprobes.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 9440a2f..8d0d910 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -219,9 +219,9 @@ struct kprobe_blacklist_entry {
 /*
  * For #ifdef avoidance:
  */
-static inline int kprobes_built_in(void)
+static inline bool kprobes_built_in(void)
 {
-	return 1;
+	return true;
 }
 
 #ifdef CONFIG_KRETPROBES
@@ -409,9 +409,9 @@ static inline struct kprobe_ctlblk *get_kprobe_ctlblk(void)
 
 #else /* !CONFIG_KPROBES: */
 
-static inline int kprobes_built_in(void)
+static inline bool kprobes_built_in(void)
 {
-	return 0;
+	return false;
 }
 static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr)
 {
-- 
1.8.3.1