If uid_attribute is explicitly set to an empty string, multipath should
log the uid at the default log level, since using the fallback code is
the expected behavior.
Signed-off-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
---
libmultipath/discovery.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c
index d7e8577f..950b1586 100644
--- a/libmultipath/discovery.c
+++ b/libmultipath/discovery.c
@@ -2084,8 +2084,11 @@ get_uid (struct path * pp, int path_state, struct udev_device *udev,
len = strlen(pp->wwid);
origin = "callout";
} else {
- bool udev_available = udev && pp->uid_attribute
+ bool valid_uid_attr = pp->uid_attribute
&& *pp->uid_attribute;
+ bool empty_uid_attr = pp->uid_attribute
+ && !*pp->uid_attribute;
+ bool udev_available = udev && valid_uid_attr;
if (udev_available) {
len = get_udev_uid(pp, pp->uid_attribute, udev);
@@ -2095,7 +2098,8 @@ get_uid (struct path * pp, int path_state, struct udev_device *udev,
}
if ((!udev_available || (len <= 0 && allow_fallback))
&& has_uid_fallback(pp)) {
- used_fallback = 1;
+ if (!udev || !empty_uid_attr)
+ used_fallback = 1;
len = uid_fallback(pp, path_state, &origin);
}
}
--
2.17.2
--
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