Check Bucket key for all possible indices.

Fixes: d0a00966618ba ("table: add exact match SWX table")
Cc: stable@dpdk.org
Cc: Cristian Dumitrescu <redacted>

Signed-off-by: Thierry Herbelot <redacted>
--
V2: reword patch title
---
 lib/table/rte_swx_table_em.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/table/rte_swx_table_em.c b/lib/table/rte_swx_table_em.c
index 788e25f6b912..03b28c4c9da0 100644
--- a/lib/table/rte_swx_table_em.c
+++ b/lib/table/rte_swx_table_em.c

@@ -280,7 +280,7 @@ table_key_data(struct table *t, uint32_t key_id)
 static inline int
 bkt_is_empty(struct bucket_extension *bkt)
 {
-	return (!bkt->sig[0] && !bkt->sig[1] && !bkt->sig[2] && !bkt->sig[2]) ?
+	return (!bkt->sig[0] && !bkt->sig[1] && !bkt->sig[2] && !bkt->sig[3]) ?
 		1 : 0;
 }
 

-- 
2.29.2