nfc: netlink: Warning fix

When NFC_ATTR_VENDOR_DATA is not set, data_len is 0 and data is NULL.

Fixes the following warning:

net/nfc/netlink.c:1536:3: warning: 'data' may be used uninitialized
+in this function [-Wmaybe-uninitialized]
      return cmd->doit(dev, data, data_len);

Cc: [email protected]
Signed-off-by: Christophe Ricard <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>

diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index 81dfaaacfc4dec6621835614fde07d4f9d6c1d58..73d1ca7c546c63b4cc8db4c7afb9a327fe2436b3 100644 (file)
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -1524,6 +1524,7 @@ static int nfc_genl_vendor_cmd(struct sk_buff *skb,
                if (data_len == 0)
                        return -EINVAL;
        } else {
+               data = NULL;
                data_len = 0;
        }