[PATCH net] ematch: Fix matching of inverted containers.

Negated expressions and sub-expressions need to have their flags checked for
TCF_EM_INVERT and their result negated accordingly.

Signed-off-by: Ignacy Gawędzki <redacted>
---
 net/sched/ematch.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/net/sched/ematch.c b/net/sched/ematch.c
index 3a633de..ad57f44 100644
--- a/net/sched/ematch.c
+++ b/net/sched/ematch.c

@@ -526,9 +526,11 @@ pop_stack:
                match_idx = stack[--stackp];
                cur_match = tcf_em_get_match(tree, match_idx);

-               if (tcf_em_early_end(cur_match, res))
+               if (tcf_em_early_end(cur_match, res)) {
+                       if (tcf_em_is_inverted(cur_match))
+                               res = !res;
                        goto pop_stack;
-               else {
+               } else {
                        match_idx++;
                        goto proceed;
                }
--

1.9.1
--
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