missing barriers in some of unix_sock ->addr and ->path accesses

[sfrench/cifs-2.6.git] / net / unix / diag.c

diff --git a/net/unix/diag.c b/net/unix/diag.c
index 384c84e83462e51d24e469515f4b52f8dcf55877..3183d9b8ab33232c6f42686677c056a58bc5d2fa 100644 (file)
--- a/net/unix/diag.c
+++ b/net/unix/diag.c
@@ -10,7 +10,8 @@
 
 static int sk_diag_dump_name(struct sock *sk, struct sk_buff *nlskb)
 {
-       struct unix_address *addr = unix_sk(sk)->addr;
+       /* might or might not have unix_table_lock */
+       struct unix_address *addr = smp_load_acquire(&unix_sk(sk)->addr);
 
        if (!addr)
                return 0;