We need both, 'pp->dev' and 'pp->dev_t' for correct lookup to
work. So ensure dev_t is always being updated when storing a new path.
Signed-off-by: Hannes Reinecke <h...@suse.com>
---
libmultipath/discovery.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c
index 2cf2566..db82b00 100644
--- a/libmultipath/discovery.c
+++ b/libmultipath/discovery.c
@@ -1599,6 +1599,16 @@ pathinfo (struct path *pp, vector hwtable, int mask)
condlog(3, "%s: mask = 0x%x", pp->dev, mask);
/*
+ * Sanity check: we need the device number to
+ * avoid inconsistent information in
+ * find_path_by_dev()/find_path_by_devt()
+ */
+ if (!strlen(pp->dev_t) && !(mask & DI_SYSFS)) {
+ condlog(1, "%s: empty device number", pp->dev);
+ mask |= DI_SYSFS;
+ }
+
+ /*
* fetch info available in sysfs
*/
if (mask & DI_SYSFS && sysfs_pathinfo(pp))
--
2.6.6
--
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