diff options
author | Ruiyu Ni <ruiyu.ni@intel.com> | 2013-11-22 07:39:02 +0000 |
---|---|---|
committer | Jordan Justen <jordan.l.justen@intel.com> | 2016-04-06 23:22:43 -0700 |
commit | 9e710bc95e6ac6e8fe2c7814a85e63029e01a4d3 (patch) | |
tree | dfefec31a46f50af53ffbd207673fe05a97a066d | |
parent | 833b5a77a3a8faf5247a609d4edbfec7586c0b85 (diff) | |
download | edk2-platforms-9e710bc95e6ac6e8fe2c7814a85e63029e01a4d3.tar.xz |
Fix a bug in the Fat Stop() function which may return EFI_NOT_FOUND when the controller handle doesn't support DiskIo2.
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>
(based on FatPkg commit 3454cf4f33cb3b71ebc19705a4d49f1ff3715611)
[jordan.l.justen@intel.com: Use script to relicense to 2-clause BSD]
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Acked-by: Mark Doran <mark.doran@intel.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
-rw-r--r-- | FatPkg/EnhancedFatDxe/Fat.c | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/FatPkg/EnhancedFatDxe/Fat.c b/FatPkg/EnhancedFatDxe/Fat.c index a52e6ea828..0dcb3bcb43 100644 --- a/FatPkg/EnhancedFatDxe/Fat.c +++ b/FatPkg/EnhancedFatDxe/Fat.c @@ -399,7 +399,9 @@ Returns: EFI_STATUS Status;
EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *FileSystem;
FAT_VOLUME *Volume;
+ EFI_DISK_IO2_PROTOCOL *DiskIo2;
+ DiskIo2 = NULL;
//
// Get our context back
//
@@ -413,25 +415,29 @@ Returns: );
if (!EFI_ERROR (Status)) {
- Volume = VOLUME_FROM_VOL_INTERFACE (FileSystem);
- Status = FatAbandonVolume (Volume);
- if (EFI_ERROR (Status)) {
- return Status;
- }
+ Volume = VOLUME_FROM_VOL_INTERFACE (FileSystem);
+ DiskIo2 = Volume->DiskIo2;
+ Status = FatAbandonVolume (Volume);
}
- Status = gBS->CloseProtocol (
- ControllerHandle,
- &gEfiDiskIoProtocolGuid,
- This->DriverBindingHandle,
- ControllerHandle
- );
- Status = gBS->CloseProtocol (
- ControllerHandle,
- &gEfiDiskIo2ProtocolGuid,
- This->DriverBindingHandle,
- ControllerHandle
- );
+ if (!EFI_ERROR (Status)) {
+ if (DiskIo2 != NULL) {
+ Status = gBS->CloseProtocol (
+ ControllerHandle,
+ &gEfiDiskIo2ProtocolGuid,
+ This->DriverBindingHandle,
+ ControllerHandle
+ );
+ ASSERT_EFI_ERROR (Status);
+ }
+ Status = gBS->CloseProtocol (
+ ControllerHandle,
+ &gEfiDiskIoProtocolGuid,
+ This->DriverBindingHandle,
+ ControllerHandle
+ );
+ ASSERT_EFI_ERROR (Status);
+ }
return Status;
}
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