[PATCH v3 1/1] mountmgr.sys: Dont attempt to read from invalid media

[Alistair Leslie-Hughes]

From: Alistair Leslie-Hughes

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=49615
---
 dlls/mountmgr.sys/device.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/dlls/mountmgr.sys/device.c b/dlls/mountmgr.sys/device.c
index 22c17025e87..33ce1f248e5 100644
--- a/dlls/mountmgr.sys/device.c
+++ b/dlls/mountmgr.sys/device.c
@@ -899,6 +899,14 @@ static BOOL get_volume_device_info( struct volume *volume )
     }
     else
     {
+        if(GetLastError() == ERROR_NOT_READY)
+        {
+            TRACE( "%s: removable drive with no inserted media\n", debugstr_a(unix_device) );
+            volume->fs_type = FS_UNKNOWN;
+            CloseHandle( handle );
+            return TRUE;
+        }
+
         volume->fs_type = VOLUME_ReadFATSuperblock( handle, superblock );
         if (volume->fs_type == FS_UNKNOWN) volume->fs_type = VOLUME_ReadCDSuperblock( handle, superblock );
     }