linux-kernel - [PATCH] [media] bt8xx: fix memory leak

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Date:   Fri, 16 Dec 2016 21:31:49 +0000
From:   Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH] [media] bt8xx: fix memory leak

If dvb_attach() fails then we were just printing an error message and
exiting but the memory allocated to state was not released.

Signed-off-by: Sudip Mukherjee <sudip.mukherjee@...ethink.co.uk>
---
 drivers/media/pci/bt8xx/dvb-bt8xx.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/pci/bt8xx/dvb-bt8xx.c b/drivers/media/pci/bt8xx/dvb-bt8xx.c
index 6100fa7..e247638 100644
--- a/drivers/media/pci/bt8xx/dvb-bt8xx.c
+++ b/drivers/media/pci/bt8xx/dvb-bt8xx.c
@@ -683,6 +683,7 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 		/*	DST is not a frontend, attaching the ASIC	*/
 		if (dvb_attach(dst_attach, state, &card->dvb_adapter) == NULL) {
 			pr_err("%s: Could not find a Twinhan DST\n", __func__);
+			kfree(state);
 			break;
 		}
 		/*	Attach other DST peripherals if any		*/
-- 
1.9.1