[PATCH 5.4 57/61] NFC: fix resource leak when target index is invalid
From: Greg Kroah-Hartman
Date: Tue Feb 02 2021 - 13:33:05 EST
From: Pan Bian <bianpan2016@xxxxxxx>
commit 3a30537cee233fb7da302491b28c832247d89bbe upstream.
Goto to the label put_dev instead of the label error to fix potential
resource leak on path that the target index is invalid.
Fixes: c4fbb6515a4d ("NFC: The core part should generate the target index")
Signed-off-by: Pan Bian <bianpan2016@xxxxxxx>
Link: https://lore.kernel.org/r/20210121152748.98409-1-bianpan2016@xxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/nfc/rawsock.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/nfc/rawsock.c
+++ b/net/nfc/rawsock.c
@@ -105,7 +105,7 @@ static int rawsock_connect(struct socket
if (addr->target_idx > dev->target_next_idx - 1 ||
addr->target_idx < dev->target_next_idx - dev->n_targets) {
rc = -EINVAL;
- goto error;
+ goto put_dev;
}
rc = nfc_activate_target(dev, addr->target_idx, addr->nfc_protocol);