UEFI Sct validates Dma mapping. For CoherentDmaLib it always failed because there were no required checks present in DmaMap.
Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Vladimir Olovyannikov <[email protected]> --- EmbeddedPkg/Library/CoherentDmaLib/CoherentDmaLib.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/EmbeddedPkg/Library/CoherentDmaLib/CoherentDmaLib.c b/EmbeddedPkg/Library/CoherentDmaLib/CoherentDmaLib.c index 8ca9e6aa5b1b..eb88fa288a99 100644 --- a/EmbeddedPkg/Library/CoherentDmaLib/CoherentDmaLib.c +++ b/EmbeddedPkg/Library/CoherentDmaLib/CoherentDmaLib.c @@ -58,6 +58,12 @@ DmaMap ( OUT VOID **Mapping ) { + if (HostAddress == NULL || + NumberOfBytes == NULL || + DeviceAddress == NULL || + Mapping == NULL ) { + return EFI_INVALID_PARAMETER; + } *DeviceAddress = HostToDeviceAddress (HostAddress); *Mapping = NULL; return EFI_SUCCESS; -- 2.18.0 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel

