util-ebpf: more useful error message

At the time of the writing, libbpf output useful error message
on strdout only and errno is not really interesting. So let's
tell user to look at stdout.

diff --git a/src/util-ebpf.c b/src/util-ebpf.c
index eb68c158e1c7f6f6cb665aa20d441a5fbffda488..c14e82546a272874b8e18467aa446318b37fbf81 100644 (file)
--- a/src/util-ebpf.c
+++ b/src/util-ebpf.c
@@ -387,11 +387,9 @@ int EBPFLoadFile(const char *iface, const char *path, const char * section,
     err = bpf_object__load(bpfobj);
     if (err < 0) {
         if (err == -EPERM) {
-            SCLogError(SC_ERR_MEM_ALLOC,
-                    "Permission issue when loading eBPF object: "
-                    "%s (%d)",
-                    strerror(err),
-                    err);
+            SCLogError(SC_ERR_SYSCALL,
+                    "Permission issue when loading eBPF object"
+                    " (check libbpf error on stdout)");
         } else {
             char buf[129];
             libbpf_strerror(err, buf, sizeof(buf));