rtnetlink: Fix inverted check in ndo_dflt_fdb_del()

[ Upstream commit 645359930231d5e78fd3296a38b98c1a658a7ade ]

Fix inverted check when deleting an fdb entry.

Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index a08bd2b..373a8e7 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -2142,7 +2142,7 @@
 	/* If aging addresses are supported device will need to
 	 * implement its own handler for this.
 	 */
-	if (ndm->ndm_state & NUD_PERMANENT) {
+	if (!(ndm->ndm_state & NUD_PERMANENT)) {
 		pr_info("%s: FDB only supports static addresses\n", dev->name);
 		return -EINVAL;
 	}