[4/4] hw/xen: Use xs_node_read() from xenstore_read_str() instead of open-coding it

Commit Message

David Woodhouse Jan. 10, 2025, 10:03 a.m. UTC

From: David Woodhouse <[e-mail]>

Signed-off-by: David Woodhouse <[e-mail]>
---
 hw/xen/xen_pvdev.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

Patch

diff --git a/hw/xen/xen_pvdev.c b/hw/xen/xen_pvdev.c
index c5ad71e8dc..c9143ba259 100644
--- a/hw/xen/xen_pvdev.c
+++ b/hw/xen/xen_pvdev.c
@@ -22,6 +22,7 @@ 
 #include "qemu/main-loop.h"
 #include "hw/qdev-core.h"
 #include "hw/xen/xen-legacy-backend.h"
+#include "hw/xen/xen-bus-helper.h"
 #include "hw/xen/xen_pvdev.h"
 
 /* private */
@@ -81,12 +82,9 @@  int xenstore_write_str(const char *base, const char *node, const char *val)
 
 char *xenstore_read_str(const char *base, const char *node)
 {
-    char abspath[XEN_BUFSIZE];
-    unsigned int len;
     char *str, *ret = NULL;
 
-    snprintf(abspath, sizeof(abspath), "%s/%s", base, node);
-    str = qemu_xen_xs_read(xenstore, 0, abspath, &len);
+    str = xs_node_read(xenstore, 0, NULL, NULL, "%s/%s", base, node);
     if (str != NULL) {
         /* move to qemu-allocated memory to make sure
          * callers can safely g_free() stuff. */