diff options
| -rw-r--r-- | src/soc/amd/common/block/include/amdblocks/BiosCallOuts.h | 2 | ||||
| -rw-r--r-- | src/soc/amd/common/block/pi/heapmanager.c | 9 |
2 files changed, 7 insertions, 4 deletions
diff --git a/src/soc/amd/common/block/include/amdblocks/BiosCallOuts.h b/src/soc/amd/common/block/include/amdblocks/BiosCallOuts.h index 2302889e6b64..87856003f33e 100644 --- a/src/soc/amd/common/block/include/amdblocks/BiosCallOuts.h +++ b/src/soc/amd/common/block/include/amdblocks/BiosCallOuts.h @@ -34,6 +34,8 @@ typedef struct _BIOS_BUFFER_NODE { UINT32 NextNodeOffset; } BIOS_BUFFER_NODE; +#define MIN_BUFFER_NODE_SIZE (sizeof(BIOS_BUFFER_NODE) + sizeof(uint32_t)) + AGESA_STATUS agesa_AllocateBuffer(UINT32 Func, UINTN Data, VOID *ConfigPtr); AGESA_STATUS agesa_DeallocateBuffer(UINT32 Func, UINTN Data, VOID *ConfigPtr); AGESA_STATUS agesa_LocateBuffer(UINT32 Func, UINTN Data, VOID *ConfigPtr); diff --git a/src/soc/amd/common/block/pi/heapmanager.c b/src/soc/amd/common/block/pi/heapmanager.c index cea3171aa543..d149e9144f34 100644 --- a/src/soc/amd/common/block/pi/heapmanager.c +++ b/src/soc/amd/common/block/pi/heapmanager.c @@ -159,11 +159,12 @@ AGESA_STATUS agesa_AllocateBuffer (UINT32 Func, UINTN Data, VOID *ConfigPtr) BestFitPrevNodeOffset); /* - * If BestFitNode is larger than the requested buffer, - * fragment the node further + * If BestFitNode is larger than the requested buffer and + * has room for another buffer node, fragment the node further. */ - if (BestFitNodePtr->BufferSize > - (AllocParams->BufferLength + sizeof(BIOS_BUFFER_NODE))) { + if (BestFitNodePtr->BufferSize >= + (AllocParams->BufferLength + sizeof(BIOS_BUFFER_NODE) + + MIN_BUFFER_NODE_SIZE)) { NextFreeOffset = BestFitNodeOffset + AllocParams->BufferLength + sizeof(BIOS_BUFFER_NODE); |