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Fix a bug in the Fat Stop() function which may return EFI_NOT_FOUND when the controller handle doesn't support DiskIo2.

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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>
This commit is contained in:
Ruiyu Ni 2013-11-22 07:39:02 +00:00 committed by Jordan Justen
parent 833b5a77a3
commit 9e710bc95e
1 changed files with 23 additions and 17 deletions
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40
FatPkg/EnhancedFatDxe/Fat.c
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@ -399,7 +399,9 @@ Returns:
EFI_STATUS Status; EFI_STATUS Status;
EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *FileSystem; EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *FileSystem;
FAT_VOLUME *Volume; FAT_VOLUME *Volume;
EFI_DISK_IO2_PROTOCOL *DiskIo2;
DiskIo2 = NULL;
// //
// Get our context back // Get our context back
// //
@ -413,25 +415,29 @@ Returns:
); );
if (!EFI_ERROR (Status)) { if (!EFI_ERROR (Status)) {
Volume = VOLUME_FROM_VOL_INTERFACE (FileSystem); Volume = VOLUME_FROM_VOL_INTERFACE (FileSystem);
Status = FatAbandonVolume (Volume); DiskIo2 = Volume->DiskIo2;
if (EFI_ERROR (Status)) { Status = FatAbandonVolume (Volume);
return Status;
}
} }
Status = gBS->CloseProtocol ( if (!EFI_ERROR (Status)) {
ControllerHandle, if (DiskIo2 != NULL) {
&gEfiDiskIoProtocolGuid, Status = gBS->CloseProtocol (
This->DriverBindingHandle, ControllerHandle,
ControllerHandle &gEfiDiskIo2ProtocolGuid,
); This->DriverBindingHandle,
Status = gBS->CloseProtocol ( ControllerHandle
ControllerHandle, );
&gEfiDiskIo2ProtocolGuid, ASSERT_EFI_ERROR (Status);
This->DriverBindingHandle, }
ControllerHandle Status = gBS->CloseProtocol (
); ControllerHandle,
&gEfiDiskIoProtocolGuid,
This->DriverBindingHandle,
ControllerHandle
);
ASSERT_EFI_ERROR (Status);
}
return Status; return Status;
} }