From: Anton Vasilyev <vasilyev@ispras.ru>
Date: Fri, 6 Jul 2018 12:32:53 +0000 (+0300)
Subject: uwb: hwa-rc: fix memory leak at probe
X-Git-Tag: v4.18.12~215
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=3c8527e5a6e42c12c2afcf03d224ca67efcf9dc5;p=users%2Fdwmw2%2Flinux.git

uwb: hwa-rc: fix memory leak at probe

[ Upstream commit 11b71782c1d10d9bccc31825cf84291cd7588a1e ]

hwarc_probe() allocates memory for hwarc, but does not free it
if uwb_rc_add() or hwarc_get_version() fail.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Anton Vasilyev <vasilyev@ispras.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/uwb/hwa-rc.c b/drivers/uwb/hwa-rc.c
index 9a53912bdfe9f..5d3ba747ae17a 100644
--- a/drivers/uwb/hwa-rc.c
+++ b/drivers/uwb/hwa-rc.c
@@ -873,6 +873,7 @@ error_get_version:
 error_rc_add:
 	usb_put_intf(iface);
 	usb_put_dev(hwarc->usb_dev);
+	kfree(hwarc);
 error_alloc:
 	uwb_rc_put(uwb_rc);
 error_rc_alloc: