From: Stephen Hemminger <stephen@networkplumber.org>
Date: Thu, 8 Jun 2023 01:33:49 +0000 (-0700)
Subject: rt_names: check for malloc() failure
X-Git-Tag: v6.4.0~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=507fe042181c8e481e4463ab66b3f7af897a5500;p=thirdparty%2Fiproute2.git

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 b441e98f8..68db74e30 100644
--- 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)];