netdev - [PATCH 2/5] be2net: release mcc-lock in a failure case in be_cmd_notify

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: <1444636041-4727-3-git-send-email-sathya.perla@avagotech.com>
Date:	Mon, 12 Oct 2015 03:47:18 -0400
From:	Sathya Perla <sathya.perla@...gotech.com>
To:	netdev@...r.kernel.org
Subject: [PATCH 2/5] be2net: release mcc-lock in a failure case in be_cmd_notify_wait()

From: Suresh Reddy <Suresh.Reddy@...gotech.com>

The mcc/mbox lock is not being released when be_cmd_copy() returns
an error.

Signed-off-by: Suresh Reddy <suresh.reddy@...gotech.com>
Signed-off-by: Sathya Perla <sathya.perla@...gotech.com>
---
 drivers/net/ethernet/emulex/benet/be_cmds.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c
index eb32391..9dc5ce1 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.c
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.c
@@ -851,8 +851,10 @@ static int be_cmd_notify_wait(struct be_adapter *adapter,
 		return status;
 
 	dest_wrb = be_cmd_copy(adapter, wrb);
-	if (!dest_wrb)
-		return -EBUSY;
+	if (!dest_wrb) {
+		status = -EBUSY;
+		goto unlock;
+	}
 
 	if (use_mcc(adapter))
 		status = be_mcc_notify_wait(adapter);
@@ -862,6 +864,7 @@ static int be_cmd_notify_wait(struct be_adapter *adapter,
 	if (!status)
 		memcpy(wrb, dest_wrb, sizeof(*wrb));
 
+unlock:
 	be_cmd_unlock(adapter);
 	return status;
 }
-- 
2.4.1

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html