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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, "Pavel Machek (CIP)" <pavel@denx.de>,
        Hans Verkuil <hverkuil-cisco@xs4all.nl>,
        Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.9 095/139] media: firewire: fix memory leak
Date:   Tue, 27 Oct 2020 14:49:49 +0100
Message-Id: <20201027134906.644012192@linuxfoundation.org>
In-Reply-To: <20201027134902.130312227@linuxfoundation.org>
References: <20201027134902.130312227@linuxfoundation.org>
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From: Pavel Machek <pavel@ucw.cz>

[ Upstream commit b28e32798c78a346788d412f1958f36bb760ec03 ]

Fix memory leak in node_probe.

Signed-off-by: Pavel Machek (CIP) <pavel@denx.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.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 5d634706a7eaa..382f290c3f4d5 100644
--- a/drivers/media/firewire/firedtv-fw.c
+++ b/drivers/media/firewire/firedtv-fw.c
@@ -271,8 +271,10 @@ 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