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-rw-r--r--qga/commands-posix.c32
1 files changed, 30 insertions, 2 deletions
diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index 42d30f078e..41bd11b2b5 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -48,6 +48,10 @@ extern char **environ;
 #include <net/if.h>
 #include <sys/statvfs.h>
 
+#ifdef CONFIG_LIBUDEV
+#include <libudev.h>
+#endif
+
 #ifdef FIFREEZE
 #define CONFIG_FSFREEZE
 #endif
@@ -872,6 +876,10 @@ static void build_guest_fsinfo_for_real_device(char const *syspath,
     GuestDiskAddressList *list = NULL;
     bool has_ata = false, has_host = false, has_tgt = false;
     char *p, *q, *driver = NULL;
+#ifdef CONFIG_LIBUDEV
+    struct udev *udev = NULL;
+    struct udev_device *udevice = NULL;
+#endif
 
     p = strstr(syspath, "/devices/pci");
     if (!p || sscanf(p + 12, "%*x:%*x/%x:%x:%x.%x%n",
@@ -936,6 +944,21 @@ static void build_guest_fsinfo_for_real_device(char const *syspath,
     list = g_malloc0(sizeof(*list));
     list->value = disk;
 
+#ifdef CONFIG_LIBUDEV
+    udev = udev_new();
+    udevice = udev_device_new_from_syspath(udev, syspath);
+    if (udev == NULL || udevice == NULL) {
+        g_debug("failed to query udev");
+    } else {
+        const char *serial;
+        serial = udev_device_get_property_value(udevice, "ID_SERIAL");
+        if (serial != NULL && *serial != 0) {
+            disk->serial = g_strdup(serial);
+            disk->has_serial = true;
+        }
+    }
+#endif
+
     if (strcmp(driver, "ata_piix") == 0) {
         /* a host per ide bus, target*:0:<unit>:0 */
         if (!has_host || !has_tgt) {
@@ -995,14 +1018,19 @@ static void build_guest_fsinfo_for_real_device(char const *syspath,
 
     list->next = fs->disk;
     fs->disk = list;
-    g_free(driver);
-    return;
+    goto out;
 
 cleanup:
     if (list) {
         qapi_free_GuestDiskAddressList(list);
     }
+out:
     g_free(driver);
+#ifdef CONFIG_LIBUDEV
+    udev_unref(udev);
+    udev_device_unref(udevice);
+#endif
+    return;
 }
 
 static void build_guest_fsinfo_for_device(char const *devpath,