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path: root/net/nfc/rawsock.c
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Diffstat (limited to 'net/nfc/rawsock.c')
-rw-r--r--net/nfc/rawsock.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/nfc/rawsock.c b/net/nfc/rawsock.c
index 5a839ceb2e82..ec1134c9e07f 100644
--- a/net/nfc/rawsock.c
+++ b/net/nfc/rawsock.c
@@ -92,6 +92,12 @@ static int rawsock_connect(struct socket *sock, struct sockaddr *_addr,
goto error;
}
+ if (addr->target_idx > dev->target_next_idx - 1 ||
+ addr->target_idx < dev->target_next_idx - dev->n_targets) {
+ rc = -EINVAL;
+ goto error;
+ }
+
rc = nfc_activate_target(dev, addr->target_idx, addr->nfc_protocol);
if (rc)
goto put_dev;