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* [Patch edk2-platforms] IntelSiliconPkg/IntelVTdDxe: Fix CLANG detected incorrect return
@ 2022-11-10 18:24 Michael D Kinney
  2022-11-10 19:33 ` Chaganty, Rangasai V
  2022-11-11  7:52 ` Ashraf Ali S
  0 siblings, 2 replies; 3+ messages in thread
From: Michael D Kinney @ 2022-11-10 18:24 UTC (permalink / raw)
  To: devel; +Cc: Ray Ni, Rangasai V Chaganty, Isaac Oram, Ashraf Ali S

CreateSecondLevelPagingEntryTable() has a return type of
VTD_SECOND_LEVEL_PAGING_ENTRY * and an error condition
returns a value of NULL.

Change return value of EFI_SUCCESS (value 0) to NULL to
address CLANG compiler detection of incorrect return type.

Cc: Ray Ni <ray.ni@intel.com>
Cc: Rangasai V Chaganty <rangasai.v.chaganty@intel.com>
Cc: Isaac Oram <isaac.w.oram@intel.com>
Cc: Ashraf Ali S <ashraf.ali.s@intel.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
---
 .../IntelSiliconPkg/Feature/VTd/IntelVTdDxe/TranslationTable.c  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Silicon/Intel/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/TranslationTable.c b/Silicon/Intel/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/TranslationTable.c
index 3220789080..6788c86531 100644
--- a/Silicon/Intel/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/TranslationTable.c
+++ b/Silicon/Intel/IntelSiliconPkg/Feature/VTd/IntelVTdDxe/TranslationTable.c
@@ -196,7 +196,7 @@ CreateSecondLevelPagingEntryTable (
   UINT64                         EndAddress;
 
   if (MemoryLimit == 0) {
-    return EFI_SUCCESS;
+    return NULL;
   }
 
   Lvl4PagesStart = 0;
-- 
2.37.1.windows.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

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Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2022-11-10 18:24 [Patch edk2-platforms] IntelSiliconPkg/IntelVTdDxe: Fix CLANG detected incorrect return Michael D Kinney
2022-11-10 19:33 ` Chaganty, Rangasai V
2022-11-11  7:52 ` Ashraf Ali S

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