REF: https://bugzilla.tianocore.org/show_bug.cgi?id=587
The Status check in "if (!EFI_ERROR (Status))" condition is useless, it should be NULL pointer check. And this patch also fixes a typo "continous" to "continuous". Cc: Jiewen Yao <jiewen....@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Star Zeng <star.z...@intel.com> --- MdePkg/Library/SmmIoLib/SmmIoLib.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/MdePkg/Library/SmmIoLib/SmmIoLib.c b/MdePkg/Library/SmmIoLib/SmmIoLib.c index 181abb8e25df..f1cb0dace500 100644 --- a/MdePkg/Library/SmmIoLib/SmmIoLib.c +++ b/MdePkg/Library/SmmIoLib/SmmIoLib.c @@ -156,7 +156,7 @@ SmmIsMmioValid ( } /** - Merge continous entries whose type is EfiGcdMemoryTypeMemoryMappedIo. + Merge continuous entries whose type is EfiGcdMemoryTypeMemoryMappedIo. @param[in, out] GcdMemoryMap A pointer to the buffer in which firmware places the current GCD memory map. @@ -217,7 +217,8 @@ MergeGcdMmioEntry ( @param[in] Interface Points to the interface instance. @param[in] Handle The handle on which the interface was installed. - @retval EFI_SUCCESS Notification runs successfully. + @retval EFI_SUCCESS Notification runs successfully. + @retval EFI_OUT_OF_RESOURCES No enough resources to save GCD MMIO map. **/ EFI_STATUS EFIAPI @@ -237,10 +238,10 @@ SmmIoLibInternalEndOfDxeNotify ( MergeGcdMmioEntry (MemSpaceMap, &NumberOfDescriptors); mSmmIoLibGcdMemSpace = AllocateCopyPool (NumberOfDescriptors * sizeof (EFI_GCD_MEMORY_SPACE_DESCRIPTOR), MemSpaceMap); - ASSERT_EFI_ERROR (Status); - if (EFI_ERROR (Status)) { + ASSERT (mSmmIoLibGcdMemSpace != NULL); + if (mSmmIoLibGcdMemSpace == NULL) { gBS->FreePool (MemSpaceMap); - return Status; + return EFI_OUT_OF_RESOURCES; } mSmmIoLibGcdMemNumberOfDesc = NumberOfDescriptors; -- 2.7.0.windows.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel