ntdll: Don't translate Unix virtual disks to FILE_DEVICE_VIRTUAL_DISK.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=36546Signed-off-by: Zebediah Figura <z.figura12@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

ntdll: Don't translate Unix virtual disks to FILE_DEVICE_VIRTUAL_DISK.
fb8a44f3 · Zebediah Figura · Alexandre Julliard · 63b66c99 · fb8a44f3
Commit fb8a44f3 authored Jul 09, 2020 by Zebediah Figura Committed by Alexandre Julliard Jul 10, 2020
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Showing with 8 additions and 4 deletions

file.c dlls/ntdll/unix/file.c +8 -4

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--- a/dlls/ntdll/unix/file.c
+++ b/dlls/ntdll/unix/file.c
@@ -6029,12 +6029,15 @@ static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
            info->DeviceType = FILE_DEVICE_NETWORK_FILE_SYSTEM;
            info->Characteristics |= FILE_REMOTE_DEVICE;
            break;
-        case 0x01021994:  /* tmpfs */
-        case 0x28cd3d45:  /* cramfs */
        case 0x1373:      /* devfs */
        case 0x9fa0:      /* procfs */
            info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
            break;
+        case 0x01021994:  /* tmpfs */
+        case 0x28cd3d45:  /* cramfs */
+            /* Don't map these to FILE_DEVICE_VIRTUAL_DISK by default. Virtual
+             * filesystems are rare on Windows, and some programs refuse to
+             * recognize them as valid. */
        default:
            info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
            break;
@@ -6078,8 +6081,9 @@ static NTSTATUS get_device_info( int fd, FILE_FS_DEVICE_INFORMATION *info )
                info->Characteristics |= FILE_REMOVABLE_MEDIA;
                break;
            case DKC_MD:
-                info->DeviceType = FILE_DEVICE_VIRTUAL_DISK;
+            /* Don't map these to FILE_DEVICE_VIRTUAL_DISK by default. Virtual
-                break;
+             * filesystems are rare on Windows, and some programs refuse to
+             * recognize them as valid. */
            default:
                info->DeviceType = FILE_DEVICE_DISK_FILE_SYSTEM;
            }