[PATCH 4.9 62/67] bt8xx: fix memory leak

From: Greg Kroah-Hartman
Date: Mon Nov 06 2017 - 04:46:58 EST


4.9-stable review patch. If anyone has any objections, please let me know.

------------------

From: Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx>


[ Upstream commit 6792eb0cf9310ec240b7e7c9bfa86dff4c758c68 ]

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@xxxxxxxxxxxxxxx>
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/media/pci/bt8xx/dvb-bt8xx.c | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/media/pci/bt8xx/dvb-bt8xx.c
+++ b/drivers/media/pci/bt8xx/dvb-bt8xx.c
@@ -680,6 +680,7 @@ static void frontend_init(struct dvb_bt8
/* 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 */