linux-kernel - [PATCH 8/8] crash_dump: is_kdump

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1513047319-22302-9-git-send-email-baiyaowei@cmss.chinamobile.com>
Date:   Mon, 11 Dec 2017 21:55:19 -0500
From:   Yaowei Bai <baiyaowei@...s.chinamobile.com>
To:     akpm@...ux-foundation.org
Cc:     linux-kernel@...r.kernel.org, baiyaowei@...s.chinamobile.com
Subject: [PATCH 8/8] crash_dump: is_kdump_kernel can be boolean

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

No functional change.

Signed-off-by: Yaowei Bai <baiyaowei@...s.chinamobile.com>
---
 include/linux/crash_dump.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h
index a992e6c..8b0c711 100644
--- a/include/linux/crash_dump.h
+++ b/include/linux/crash_dump.h
@@ -52,13 +52,13 @@ extern ssize_t copy_oldmem_page(unsigned long, char *, size_t,
  * has passed the elf core header address on command line.
  *
  * This is not just a test if CONFIG_CRASH_DUMP is enabled or not. It will
- * return 1 if CONFIG_CRASH_DUMP=y and if kernel is booting after a panic of
- * previous kernel.
+ * return true if CONFIG_CRASH_DUMP=y and if kernel is booting after a panic
+ * of previous kernel.
  */
 
-static inline int is_kdump_kernel(void)
+static inline bool is_kdump_kernel(void)
 {
-	return (elfcorehdr_addr != ELFCORE_ADDR_MAX) ? 1 : 0;
+	return elfcorehdr_addr != ELFCORE_ADDR_MAX;
 }
 
 /* is_vmcore_usable() checks if the kernel is booting after a panic and
@@ -89,7 +89,7 @@ static inline void vmcore_unusable(void)
 extern void unregister_oldmem_pfn_is_ram(void);
 
 #else /* !CONFIG_CRASH_DUMP */
-static inline int is_kdump_kernel(void) { return 0; }
+static inline bool is_kdump_kernel(void) { return false; }
 #endif /* CONFIG_CRASH_DUMP */
 
 extern unsigned long saved_max_pfn;
-- 
1.8.3.1