diff options
Diffstat (limited to 'OvmfPkg')
| -rw-r--r-- | OvmfPkg/VirtioFsDxe/SimpleFsOpen.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/OvmfPkg/VirtioFsDxe/SimpleFsOpen.c b/OvmfPkg/VirtioFsDxe/SimpleFsOpen.c index a13d4f6..2ecf3d6 100644 --- a/OvmfPkg/VirtioFsDxe/SimpleFsOpen.c +++ b/OvmfPkg/VirtioFsDxe/SimpleFsOpen.c @@ -395,11 +395,20 @@ VirtioFsSimpleFileOpen ( //
// Referring to a file relative to a regular file makes no sense (or at least
// it cannot be implemented consistently with how a file is referred to
- // relative to a directory).
+ // relative to a directory). See USWG Mantis ticket #2367.
//
if (!VirtioFsFile->IsDirectory) {
+ BOOLEAN BugCompat;
+
+ //
+ // Tolerate this bug in the caller if FileName is absolute. If FileName is
+ // absolute, then VirtioFsAppendPath() below will disregard
+ // VirtioFsFile->CanonicalPathname.
+ //
+ BugCompat = (FileName[0] == L'\\');
+
DEBUG ((
- DEBUG_ERROR,
+ BugCompat ? DEBUG_WARN : DEBUG_ERROR,
("%a: Label=\"%s\" CanonicalPathname=\"%a\" FileName=\"%s\": "
"nonsensical request to open a file or directory relative to a regular "
"file\n"),
@@ -408,7 +417,9 @@ VirtioFsSimpleFileOpen ( VirtioFsFile->CanonicalPathname,
FileName
));
- return EFI_INVALID_PARAMETER;
+ if (!BugCompat) {
+ return EFI_INVALID_PARAMETER;
+ }
}
//
|