From: kfraser@localhost.localdomain <kfraser@localhost.localdomain>
Date: Fri, 6 Oct 2006 14:05:30 +0000 (+0100)
Subject: [BLKTAP] Fix crash at start-of-day in blktapctrld
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~15615^2~33
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks://%22Dat/%22http:/www.example.com/cgi/%22https:/%22bookmarks:/%22Dat?a=commitdiff_plain;h=382c54558d141f659817c28f53e76f45e0ff41df;p=xen.git

[BLKTAP] Fix crash at start-of-day in blktapctrld
if /local/domain does not exist.
Signed-off-by: Keir Fraser <keir@xensource.com>
---

diff --git a/tools/blktap/lib/xs_api.c b/tools/blktap/lib/xs_api.c
index 4df73e1512..86253ca7dd 100644
--- a/tools/blktap/lib/xs_api.c
+++ b/tools/blktap/lib/xs_api.c
@@ -179,6 +179,8 @@ char *get_dom_domid(struct xs_handle *h)
 	}
 	
 	e = xs_directory(h, xth, "/local/domain", &num);
+	if (e == NULL)
+	    return NULL;
 
 	for (i = 0; (i < num) && (domid == NULL); i++) {
 		asprintf(&path, "/local/domain/%s/name", e[i]);