modprobe: Write error messages to syslog if stderr is unavailable
The man page modprobe(8) states for the --syslog option:
"This is also automatically enabled when stderr is unavailable."
but it wasn't happening.
This commit now makes modprobe write to syslog if stderr is closed.
diff --git a/tools/modprobe.c b/tools/modprobe.c
index 2a2ae21..3240c2b 100644
--- a/tools/modprobe.c
+++ b/tools/modprobe.c
@@ -819,6 +819,7 @@
int do_show_modversions = 0;
int do_show_exports = 0;
int err;
+ struct stat stat_buf;
argv = prepend_options_from_env(&argc, orig_argv);
if (argv == NULL) {
@@ -947,6 +948,12 @@
args = argv + optind;
nargs = argc - optind;
+ if (!use_syslog &&
+ (!stderr ||
+ fileno(stderr) == -1 ||
+ fstat(fileno(stderr), &stat_buf)))
+ use_syslog = 1;
+
log_open(use_syslog);
if (!do_show_config) {
