linux-kernel - [PATCH] staging: vt6655: Fix memory leak in vt6655

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Date:   Fri,  4 Oct 2019 15:03:15 -0500
From:   Navid Emamdoost <navid.emamdoost@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     emamd001@....edu, kjlu@....edu, smccaman@....edu,
        Navid Emamdoost <navid.emamdoost@...il.com>,
        Forest Bond <forest@...ttletooquiet.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Malcolm Priestley <tvboxspy@...il.com>,
        Madhumitha Prabakaran <madhumithabiw@...il.com>,
        Luis Chamberlain <mcgrof@...nel.org>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH] staging: vt6655: Fix memory leak in vt6655_probe

In vt6655_probe, if vnt_init() fails the cleanup code needs to be called
like other error handling cases. The call to device_free_info() is
added.

Fixes: 67013f2c0e58 ("staging: vt6655: mac80211 conversion add main mac80211 functions")
Signed-off-by: Navid Emamdoost <navid.emamdoost@...il.com>
---
 drivers/staging/vt6655/device_main.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index c6bb4aaf9bd0..082302944c37 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -1748,8 +1748,10 @@ vt6655_probe(struct pci_dev *pcid, const struct pci_device_id *ent)
 
 	priv->hw->max_signal = 100;
 
-	if (vnt_init(priv))
+	if (vnt_init(priv)) {
+		device_free_info(priv);
 		return -ENODEV;
+	}
 
 	device_print_info(priv);
 	pci_set_drvdata(pcid, priv);
-- 
2.17.1