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| author | jdzhang <jdzhang@zd-tech.com.cn> | 2021-11-25 15:44:48 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2021-12-09 02:36:30 +0000 |
| commit | d25b803e514a11a25de91d4174b289d2ae783338 (patch) | |
| tree | 493b7ed8255215ffa9bf048e2c42dc87e2010c58 /MdeModulePkg | |
| parent | 7b2831000894f3091cac633e61d9bcf3661cc44b (diff) | |
| download | edk2-d25b803e514a11a25de91d4174b289d2ae783338.tar.gz edk2-d25b803e514a11a25de91d4174b289d2ae783338.tar.bz2 edk2-d25b803e514a11a25de91d4174b289d2ae783338.zip | |
MdeModulePkg/Bus/Pci/UhciDxe: Fix the UsbHc memory allocate and free issue
When use the UsbHcAllocMemFromBlock() and UsbHcFreeMem() to allocate
memory and free memory for the UHC, it should use the corresponding host
address but not the pci bus address.
Signed-off-by: jdzhang <jdzhang@zd-tech.com.cn>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
Diffstat (limited to 'MdeModulePkg')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/UhciDxe/UsbHcMem.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/MdeModulePkg/Bus/Pci/UhciDxe/UsbHcMem.c b/MdeModulePkg/Bus/Pci/UhciDxe/UsbHcMem.c index d6b9615e49..c3d46f60be 100644 --- a/MdeModulePkg/Bus/Pci/UhciDxe/UsbHcMem.c +++ b/MdeModulePkg/Bus/Pci/UhciDxe/UsbHcMem.c @@ -207,7 +207,7 @@ UsbHcAllocMemFromBlock ( NEXT_BIT (Byte, Bit);
}
- return Block->Buf + (StartByte * 8 + StartBit) * USBHC_MEM_UNIT;
+ return Block->BufHost + (StartByte * 8 + StartBit) * USBHC_MEM_UNIT;
}
/**
@@ -508,12 +508,12 @@ UsbHcFreeMem ( // scan the memory block list for the memory block that
// completely contains the memory to free.
//
- if ((Block->Buf <= ToFree) && ((ToFree + AllocSize) <= (Block->Buf + Block->BufLen))) {
+ if ((Block->BufHost <= ToFree) && ((ToFree + AllocSize) <= (Block->BufHost + Block->BufLen))) {
//
// compute the start byte and bit in the bit array
//
- Byte = ((ToFree - Block->Buf) / USBHC_MEM_UNIT) / 8;
- Bit = ((ToFree - Block->Buf) / USBHC_MEM_UNIT) % 8;
+ Byte = ((ToFree - Block->BufHost) / USBHC_MEM_UNIT) / 8;
+ Bit = ((ToFree - Block->BufHost) / USBHC_MEM_UNIT) % 8;
//
// reset associated bits in bit array
|