[PATCH] tools/xenstore: fix unsigned < 0 compare in xenstore_control

[Juergen Gross]

Commit 7f97193e6aa858df ("tools/xenstore: add live update command to
xenstore-control") introduced testing an unsigned value to be less
than 0. Fix that.

Fixes: 7f97193e6aa858df ("tools/xenstore: add live update command to
xenstore-control")
Reported-by: Andrew Cooper <andrew.coop...@citrix.com>

Signed-off-by: Juergen Gross <jgr...@suse.com>
---
 tools/xenstore/xenstore_control.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/xenstore/xenstore_control.c 
b/tools/xenstore/xenstore_control.c
index 6031f216c7..0c95cf767c 100644
--- a/tools/xenstore/xenstore_control.c
+++ b/tools/xenstore/xenstore_control.c
@@ -313,8 +313,8 @@ int main(int argc, char **argv)
     struct xs_handle *xsh;
     char *par = NULL;
     char *ret;
-    unsigned int p, len = 0;
-    int rc = 0;
+    unsigned int p;
+    int rc = 0, len = 0;
 
     if (argc < 2) {
         fprintf(stderr, "Usage:\n"
-- 
2.26.2