netdev - [PATCH iproute2] rt_names: check for malloc() failure

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Date: Wed,  7 Jun 2023 18:34:54 -0700
From: Stephen Hemminger <stephen@...workplumber.org>
To: netdev@...r.kernel.org
Cc: Stephen Hemminger <stephen@...workplumber.org>
Subject: [PATCH iproute2] rt_names: check for malloc() failure

Fixes issue reported by Gcc 13 analayzer.

Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>
---
 lib/rt_names.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/rt_names.c b/lib/rt_names.c
index b441e98f8078..68db74e301ff 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)];
-- 
2.39.2