linux-kernel - [PATCH 5.9 647/757] media: firewire: fix memory leak

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Message-Id: <20201027135520.903500211@linuxfoundation.org>
Date:   Tue, 27 Oct 2020 14:54:57 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, "Pavel Machek (CIP)" <pavel@...x.de>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.9 647/757] media: firewire: fix memory leak

From: Pavel Machek <pavel@....cz>

[ Upstream commit b28e32798c78a346788d412f1958f36bb760ec03 ]

Fix memory leak in node_probe.

Signed-off-by: Pavel Machek (CIP) <pavel@...x.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@...all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/media/firewire/firedtv-fw.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/media/firewire/firedtv-fw.c b/drivers/media/firewire/firedtv-fw.c
index 3f1ca40b9b987..8a8585261bb80 100644
--- a/drivers/media/firewire/firedtv-fw.c
+++ b/drivers/media/firewire/firedtv-fw.c
@@ -272,8 +272,10 @@ static int node_probe(struct fw_unit *unit, const struct ieee1394_device_id *id)
 
 	name_len = fw_csr_string(unit->directory, CSR_MODEL,
 				 name, sizeof(name));
-	if (name_len < 0)
-		return name_len;
+	if (name_len < 0) {
+		err = name_len;
+		goto fail_free;
+	}
 	for (i = ARRAY_SIZE(model_names); --i; )
 		if (strlen(model_names[i]) <= name_len &&
 		    strncmp(name, model_names[i], name_len) == 0)
-- 
2.25.1