rt_names: check for malloc() failure

Fixes issue reported by Gcc 13 analayzer.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

diff --git a/lib/rt_names.c b/lib/rt_names.c
index b441e98f8078a7dd88f44770c92e1cfdd74ddfd9..68db74e301ff1352422c338326b5f957b058dba4 100644 (file)
--- a/lib/rt_names.c
+++ b/lib/rt_names.c
@@ -81,6 +81,10 @@ rtnl_hash_initialize(const char *file, struct rtnl_hash_entry **hash, int size)
                        continue;
 
                entry = malloc(sizeof(*entry));
+               if (entry == NULL) {
+                       fprintf(stderr, "malloc error: for entry\n");
+                       break;
+               }
                entry->id   = id;
                entry->name = strdup(namebuf);
                entry->next = hash[id & (size - 1)];