From: Michal Sojka <sojkam1@fel.cvut.cz>
Date: Tue, 12 Sep 2017 11:12:45 +0000 (+0200)
Subject: seccomp: Improve error message
X-Git-Url: http://git.openwrt.org/?p=project%2Fprocd.git;a=commitdiff_plain;h=ccde3fb7a2b8776212cadc2631a17e27dacdc3f0

seccomp: Improve error message

Print "SECCOMP_FILE not specified" instead of "failed to load (null)".

Signed-off-by: Michal Sojka <sojkam1@fel.cvut.cz>
---

diff --git a/jail/preload.c b/jail/preload.c
index 5466f27..24358c6 100644
--- a/jail/preload.c
+++ b/jail/preload.c
@@ -27,6 +27,11 @@ static int __preload_main__(int argc, char **argv, char **envp)
 {
 	char *env_file = getenv("SECCOMP_FILE");
 
+	if (!env_file || !env_file[0]) {
+		ERROR("SECCOMP_FILE not specified\n");
+		return -1;
+	}
+
 	if (install_syscall_filter(*argv, env_file))
 		return -1;