From: root <root@xa-s05.(none)>
Date: Mon, 26 Sep 2005 09:32:46 +0000 (+0200)
Subject: [libmultipath] don't trust the path wwid from cache if pathinfo() fails
X-Git-Tag: 0.4.6~110
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a9b6732578cc6e09afb7e8c2450cd02d84fca827;p=platform%2Fupstream%2Fmultipath-tools.git

[libmultipath] don't trust the path wwid from cache if pathinfo() fails

This kept the reduced map from loading when multipathd runs and a path
is failed or offline.

Also fix get_claimed() false positive returns by checking errno == EBUSY
---

diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c
index 449a253..3558b00 100644
--- a/libmultipath/discovery.c
+++ b/libmultipath/discovery.c
@@ -225,7 +225,7 @@ get_claimed(char * devname)
 {
 	int fd = opennode(devname, O_EXCL);
 
-	if (fd < 0)
+	if (fd <= 0 && errno == EBUSY)
 		return 1;
 
 	close(fd);
@@ -670,8 +670,9 @@ pathinfo (struct path *pp, vector hwtable, int mask)
 out:
 	/*
 	 * Recoverable error, for example faulty or offline path
-	 * Force path state to "failed"
+	 * Set up safe defaults, don't trust the cache
 	 */
+	memset(pp->wwid, 0, WWID_SIZE);
 	pp->state = PATH_DOWN;
 	return 0;
 }