linux-kernel - [PATCH 08/14] ipmi: use atomic_dec_not

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-next>] [day] [month] [year] [list]

Date:   Mon, 30 Jan 2017 19:47:55 +0100
From:   Fabian Frederick <fabf@...net.be>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org, Corey Minyard <minyard@....org>,
        openipmi-developer@...ts.sourceforge.net,
        Fabian Frederick <fabf@...net.be>
Subject: [PATCH 08/14] ipmi: use atomic_dec_not_zero()

instead of atomic_add_unless(value, -1, 0)

Signed-off-by: Fabian Frederick <fabf@...net.be>
---
 drivers/char/ipmi/ipmi_msghandler.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 9f69995..961d677 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -3851,7 +3851,7 @@ static void handle_new_recv_msgs(ipmi_smi_t intf)
 	 * If the pretimout count is non-zero, decrement one from it and
 	 * deliver pretimeouts to all the users.
 	 */
-	if (atomic_add_unless(&intf->watchdog_pretimeouts_to_deliver, -1, 0)) {
+	if (atomic_dec_not_zero(&intf->watchdog_pretimeouts_to_deliver)) {
 		ipmi_user_t user;
 
 		rcu_read_lock();
-- 
2.9.3