[PATCH] graph: fix node shrink

[David Marchand]

If the node id check failed, graph_lock was not taken before releasing.

Fixes: c59dac2ca14a ("graph: implement node operations")
Cc: stable at dpdk.org

Signed-off-by: David Marchand <david.marchand at redhat.com>
---
 lib/graph/node.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/graph/node.c b/lib/graph/node.c
index fc6345de07..149414dcd9 100644
--- a/lib/graph/node.c
+++ b/lib/graph/node.c
@@ -300,16 +300,16 @@ rte_node_edge_shrink(rte_node_t id, rte_edge_t size)
 		if (node->id == id) {
 			if (node->nb_edges < size) {
 				rte_errno = E2BIG;
-				goto fail;
+			} else {
+				node->nb_edges = size;
+				rc = size;
 			}
-			node->nb_edges = size;
-			rc = size;
 			break;
 		}
 	}
 
-fail:
 	graph_spinlock_unlock();
+fail:
 	return rc;
 }
 
-- 
2.39.0