[PATCH] msi: Don't show read-only volumes

[Fabian Maurer]

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=46081
Signed-off-by: Fabian Maurer <dark.shadow4 at web.de>
---
 dlls/msi/dialog.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/dlls/msi/dialog.c b/dlls/msi/dialog.c
index a3797c2c04..ce73b4dcd7 100644
--- a/dlls/msi/dialog.c
+++ b/dlls/msi/dialog.c
@@ -3289,7 +3289,7 @@ static void msi_dialog_vcl_add_drives( msi_dialog *dialog, msi_control *control
     WCHAR cost_text[MAX_PATH];
     LPWSTR drives, ptr;
     LVITEMW lvitem;
-    DWORD size;
+    DWORD size, flags;
     int i = 0;
 
     cost = msi_vcl_get_cost(dialog);
@@ -3306,6 +3306,15 @@ static void msi_dialog_vcl_add_drives( msi_dialog *dialog, msi_control *control
     ptr = drives;
     while (*ptr)
     {
+        if (!GetVolumeInformationW(ptr, NULL, 0, NULL, NULL, &flags, NULL, 0))
+            ERR("GetVolumeInformationW failed: %d\n", GetLastError());
+
+        if (flags & FILE_READ_ONLY_VOLUME)
+        {
+            ptr += lstrlenW(ptr) + 1;
+            continue;
+        }
+
         lvitem.mask = LVIF_TEXT;
         lvitem.iItem = i;
         lvitem.iSubItem = 0;
-- 
2.19.1