linux-kernel - [PATCH 2/4] gcov: use within

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 for Android: free password hash cracker in your pocket

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

Message-Id: <1447043037-10833-3-git-send-email-rusty@rustcorp.com.au>
Date:	Mon,  9 Nov 2015 14:53:55 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	linux-kernel@...r.kernel.org
Cc:	Josh Poimboeuf <jpoimboe@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Peter Oberparleiter <oberpar@...ux.vnet.ibm.com>
Subject: [PATCH 2/4] gcov: use within_module() helper.

An exact mapping would be within_module_core(), but at this stage
(MODULE_STATE_GOING) the init section is empty, and this is clearer.

Cc: Peter Oberparleiter <oberpar@...ux.vnet.ibm.com>
Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>
---
 kernel/gcov/base.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/kernel/gcov/base.c b/kernel/gcov/base.c
index 7080ae1eb6c1..2f9df37940a0 100644
--- a/kernel/gcov/base.c
+++ b/kernel/gcov/base.c
@@ -123,11 +123,6 @@ void gcov_enable_events(void)
 }
 
 #ifdef CONFIG_MODULES
-static inline int within(void *addr, void *start, unsigned long size)
-{
-	return ((addr >= start) && (addr < start + size));
-}
-
 /* Update list and generate events when modules are unloaded. */
 static int gcov_module_notifier(struct notifier_block *nb, unsigned long event,
 				void *data)
@@ -142,7 +137,7 @@ static int gcov_module_notifier(struct notifier_block *nb, unsigned long event,
 
 	/* Remove entries located in module from linked list. */
 	while ((info = gcov_info_next(info))) {
-		if (within(info, mod->module_core, mod->core_size)) {
+		if (within_module((unsigned long)info, mod)) {
 			gcov_info_unlink(prev, info);
 			if (gcov_events_enabled)
 				gcov_event(GCOV_REMOVE, info);
-- 
2.5.0

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/