netdev - [iproute2 06/22] lib/bpf_legacy: bpf_hash

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20230719185106.17614-7-gioele@svario.it>
Date: Wed, 19 Jul 2023 20:50:50 +0200
From: Gioele Barabucci <gioele@...rio.it>
To: netdev@...r.kernel.org
Cc: Stephen Hemminger <stephen@...workplumber.org>,
	Gioele Barabucci <gioele@...rio.it>
Subject: [iproute2 06/22] lib/bpf_legacy: bpf_hash_init: Relay returned value

Signed-off-by: Gioele Barabucci <gioele@...rio.it>
---
 lib/bpf_legacy.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lib/bpf_legacy.c b/lib/bpf_legacy.c
index 706820f5..4bb3f7d8 100644
--- a/lib/bpf_legacy.c
+++ b/lib/bpf_legacy.c
@@ -2751,7 +2751,7 @@ static bool bpf_pinning_reserved(uint32_t pinning)
 	}
 }
 
-static void bpf_hash_init(struct bpf_elf_ctx *ctx, const char *db_file)
+static int bpf_hash_init(struct bpf_elf_ctx *ctx, const char *db_file)
 {
 	struct bpf_hash_entry *entry;
 	char subpath[PATH_MAX] = {};
@@ -2761,14 +2761,14 @@ static void bpf_hash_init(struct bpf_elf_ctx *ctx, const char *db_file)
 
 	fp = fopen(db_file, "r");
 	if (!fp)
-		return;
+		return -errno;
 
 	while ((ret = bpf_read_pin_mapping(fp, &pinning, subpath))) {
 		if (ret == -1) {
 			fprintf(stderr, "Database %s is corrupted at: %s\n",
 				db_file, subpath);
 			fclose(fp);
-			return;
+			return -1;
 		}
 
 		if (bpf_pinning_reserved(pinning)) {
@@ -2796,6 +2796,8 @@ static void bpf_hash_init(struct bpf_elf_ctx *ctx, const char *db_file)
 	}
 
 	fclose(fp);
+
+	return 0;
 }
 
 static void bpf_hash_destroy(struct bpf_elf_ctx *ctx)
-- 
2.39.2