[PATCH AUTOSEL 3.18 04/29] uwb: hwa-rc: fix memory leak at probe

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From: Anton Vasilyev <vasilyev@xxxxxxxxx>

[ 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@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
---
 drivers/uwb/hwa-rc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/uwb/hwa-rc.c b/drivers/uwb/hwa-rc.c
index 1212b4b3c5a9..e9ff710a3d12 100644
--- a/drivers/uwb/hwa-rc.c
+++ b/drivers/uwb/hwa-rc.c
@@ -875,6 +875,7 @@ static int hwarc_probe(struct usb_interface *iface,
 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:
-- 
2.17.1




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