[Xen-devel] [PATCH] qemu-xen: read default pci passthrough values

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

If there are no devices assigned to the domain at boot, we don't read
the default pci passthrough parameters.
This patch fixes it.

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

diff --git a/xenstore.c b/xenstore.c
index d364a5e..3fd69aa 100644
--- a/xenstore.c
+++ b/xenstore.c
@@ -738,9 +738,8 @@ void xenstore_parse_domain_config(int hvm_domid)
 
     free(params);
     params = xs_read(xsh, XBT_NULL, buf, &len);
-    if (params == NULL)
-        goto out;
-    num = atoi(params);
+    if (params != NULL)
+        num = atoi(params);
 
     /* get the pci pass-through parameter */
     if (pasprintf(&buf, "/local/domain/0/backend/pci/%u/%u/msitranslate",

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