It was not obvious what exactly the cryptic string copying does to the
GUID. This change makes the intent clearer.
Signed-off-by: Tomáš Golembiovský <tgole...@redhat.com>
---
qga/commands-win32.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/qga/commands-win32.c b/qga/commands-win32.c
index 12aba8cc50..779c8ce1fa 100644
--- a/qga/commands-win32.c
+++ b/qga/commands-win32.c
@@ -507,13 +507,21 @@ static GuestPCIAddress *get_pci_info(char *guid, Error
**errp)
char dev_name[MAX_PATH];
char *buffer = NULL;
GuestPCIAddress *pci = NULL;
- char *name = g_strdup(&guid[4]);
+ char *name = NULL;
+
pci = g_malloc0(sizeof(*pci));
pci->domain = -1;
pci->slot = -1;
pci->function = -1;
pci->bus = -1;
+ if (g_str_has_prefix(guid, "\\\\.\\") ||
+ g_str_has_prefix(guid, "\\\\?\\")) {
+ name = g_strdup(guid + 4);
+ } else {
+ name = g_strdup(guid);
+ }
+
if (!QueryDosDevice(name, dev_name, ARRAY_SIZE(dev_name))) {
error_setg_win32(errp, GetLastError(), "failed to get dos device
name");
goto out;
--
2.19.0
