extensions: cluster: Avoid undefined shift

Value 1 is signed by default and left-shifting by 31 is undefined for
those. Fix this by marking the value as unsigned.

Fixes: 64a0e09894e52 ("extensions: libxt_cluster: Add translation to nft")

diff --git a/extensions/libxt_cluster.c b/extensions/libxt_cluster.c
index c9c35ee22e3df82b07e22c7942749b7346d52840..d164bf696016675e5253370c515a382916e5b2b6 100644 (file)
--- a/extensions/libxt_cluster.c
+++ b/extensions/libxt_cluster.c
@@ -156,7 +156,7 @@ static int cluster_xlate(struct xt_xlate *xl,
                xt_xlate_add(xl, "%s %u seed 0x%08x ", jhash_st,
                                info->total_nodes, info->hash_seed);
                for (node = 0; node < 32; node++) {
-                       if (info->node_mask & (1 << node)) {
+                       if (info->node_mask & (1u << node)) {
                                if (needs_set == 0) {
                                        xt_xlate_add(xl, "{ ");
                                        needs_set = 1;