uwb: hwa-rc: fix memory leak at probe

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>

diff --git a/drivers/uwb/hwa-rc.c b/drivers/uwb/hwa-rc.c
index 9a53912bdfe9f73d4b7de6a1d3b74dd8a94dc8b6..5d3ba747ae17a8882a959ff7be59309eecf11c36 100644 (file)
--- 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: