[Xen-devel] [PATCH] ioemu: Slightly improve error check in xenstore_vm_write()

[Yosuke Iwamatsu <y-iwamatsu@xxxxxxxxxxxxx>]

Signed-off-by: Yosuke Iwamatsu <y-iwamatsu@xxxxxxxxxxxxx>

diff --git a/xenstore.c b/xenstore.c
index d30dafa..6bfcdbb 100644
--- a/xenstore.c
+++ b/xenstore.c
@@ -1224,6 +1224,8 @@ int xenstore_vm_write(int domid, const char *key, const 
char *value)
     int rc = -1;
 
     path = xenstore_vm_key_path(domid, key);
+    if (!path)
+        return 0;
 
     rc = xs_write(xsh, XBT_NULL, path, value, strlen(value));
     if (rc == 0) {



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