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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2014-04-20 13:57:26 -0400
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2014-04-24 19:21:51 -0400
commite6c474723dc66cd4765fd09453d6b48bd5905ba4 (patch)
tree003ccfed87e8e7957026b1a7f12702414477c4f4 /src/libudev/libudev-monitor.c
parentbf500566323bbc2240d1fdd1165a8c908faf4098 (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/libudev-monitor.c')
-rw-r--r--src/libudev/libudev-monitor.c5
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)