nfc: netlink: Add check on NFC_ATTR_VENDOR_DATA

[deliverable/linux.git] / net / nfc / netlink.c

diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index f85f37ed19b23d0b9509e243d2c56b3070c6cbb6..81dfaaacfc4dec6621835614fde07d4f9d6c1d58 100644 (file)
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -1518,8 +1518,8 @@ static int nfc_genl_vendor_cmd(struct sk_buff *skb,
        if (!dev || !dev->vendor_cmds || !dev->n_vendor_cmds)
                return -ENODEV;
 
-       data = nla_data(info->attrs[NFC_ATTR_VENDOR_DATA]);
-       if (data) {
+       if (info->attrs[NFC_ATTR_VENDOR_DATA]) {
+               data = nla_data(info->attrs[NFC_ATTR_VENDOR_DATA]);
                data_len = nla_len(info->attrs[NFC_ATTR_VENDOR_DATA]);
                if (data_len == 0)
                        return -EINVAL;