linux-kernel - [PATCH 1/2] platform/surface: aggregator: Add missing call to ssam_request_sync

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

Message-Id: <20221220175608.1436273-1-luzmaximilian@gmail.com>
Date:   Tue, 20 Dec 2022 18:56:07 +0100
From:   Maximilian Luz <luzmaximilian@...il.com>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     Maximilian Luz <luzmaximilian@...il.com>,
        Mark Gross <markgross@...nel.org>,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] platform/surface: aggregator: Add missing call to ssam_request_sync_free()

Although rare, ssam_request_sync_init() can fail. In that case, the
request should be freed via ssam_request_sync_free(). Currently it is
leaked instead. Fix this.

Fixes: c167b9c7e3d6 ("platform/surface: Add Surface Aggregator subsystem")
Signed-off-by: Maximilian Luz <luzmaximilian@...il.com>
---
 drivers/platform/surface/aggregator/controller.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/platform/surface/aggregator/controller.c b/drivers/platform/surface/aggregator/controller.c
index 43e765199137..c6537a1b3a2e 100644
--- a/drivers/platform/surface/aggregator/controller.c
+++ b/drivers/platform/surface/aggregator/controller.c
@@ -1700,8 +1700,10 @@ int ssam_request_sync(struct ssam_controller *ctrl,
 		return status;
 
 	status = ssam_request_sync_init(rqst, spec->flags);
-	if (status)
+	if (status) {
+		ssam_request_sync_free(rqst);
 		return status;
+	}
 
 	ssam_request_sync_set_resp(rqst, rsp);
 
-- 
2.39.0