X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=net%2Fnetfilter%2Fx_tables.c;h=227aa11e8409bb18be93c0c432a4d71cfb6e8f38;hb=d09f4bdc4b8feadbb3326d4e6e0890556b19bf07;hp=8b03028cca69b616df298e0ffbfdeb247441a341;hpb=2a66a854f5d716bb67e24dba78e53bdd5f0253ad;p=karo-tx-linux.git

diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index 8b03028cca69..227aa11e8409 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -845,8 +845,13 @@ xt_replace_table(struct xt_table *table,
 		return NULL;
 	}
 
-	table->private = newinfo;
 	newinfo->initial_entries = private->initial_entries;
+	/*
+	 * Ensure contents of newinfo are visible before assigning to
+	 * private.
+	 */
+	smp_wmb();
+	table->private = newinfo;
 
 	/*
 	 * Even though table entries have now been swapped, other CPU's