ipv4: fib: Fix metrics match when deleting a route

[mirror_ubuntu-bionic-kernel.git] / net / ipv4 / fib_semantics.c

diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index f04d944f8abe0bfbb840837bb35d28fe6d8d25d0..c586597da20dbb0e46eb0f693fd65bccfc8f3633 100644 (file)
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -698,7 +698,7 @@ bool fib_metrics_match(struct fib_config *cfg, struct fib_info *fi)
 
        nla_for_each_attr(nla, cfg->fc_mx, cfg->fc_mx_len, remaining) {
                int type = nla_type(nla);
-               u32 val;
+               u32 fi_val, val;
 
                if (!type)
                        continue;
@@ -715,7 +715,11 @@ bool fib_metrics_match(struct fib_config *cfg, struct fib_info *fi)
                        val = nla_get_u32(nla);
                }
 
-               if (fi->fib_metrics->metrics[type - 1] != val)
+               fi_val = fi->fib_metrics->metrics[type - 1];
+               if (type == RTAX_FEATURES)
+                       fi_val &= ~DST_FEATURE_ECN_CA;
+
+               if (fi_val != val)
                        return false;
        }