diff options
| author | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2014-04-20 13:57:26 -0400 |
|---|---|---|
| committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2014-04-24 19:21:51 -0400 |
| commit | e6c474723dc66cd4765fd09453d6b48bd5905ba4 (patch) | |
| tree | 003ccfed87e8e7957026b1a7f12702414477c4f4 /src/libudev | |
| parent | bf500566323bbc2240d1fdd1165a8c908faf4098 (diff) | |
udev: warn when name_to_handle_at is not implemented
We have a bunch of reports from people who have a custom kernel and
are confused why udev is not running. Issue a warning on
error. Barring an error in the code, the only error that is possible
is ENOSYS.
https://bugzilla.redhat.com/show_bug.cgi?id=1072966
Diffstat (limited to 'src/libudev')
| -rw-r--r-- | src/libudev/libudev-monitor.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/libudev/libudev-monitor.c b/src/libudev/libudev-monitor.c index c05cb3e511..186e5e1e87 100644 --- a/src/libudev/libudev-monitor.c +++ b/src/libudev/libudev-monitor.c @@ -119,8 +119,11 @@ static bool udev_has_devtmpfs(struct udev *udev) { int r; r = name_to_handle_at(AT_FDCWD, "/dev", &h.handle, &mount_id, 0); - if (r < 0) + if (r < 0) { + if (errno != EOPNOTSUPP) + udev_err(udev, "name_to_handle_at on /dev: %m\n"); return false; + } f = fopen("/proc/self/mountinfo", "re"); if (!f) |