[edk2-devel] [PATCH v3 1/2] MdeModulePkg/Bus/Ata/AtaAtapiPassThru: Fix SIGN_EXTENSION Coverity issue

[Ranbir Singh]

From: Ranbir Singh <Ranbir.Singh3 at Dell.com>

Line number 1348 does contain a typecast with UINT32, but it is after
all the operations (16-bit left shift followed by OR'ing) are over.
To avoid any SIGN_EXTENSION, typecast the intermediate result after
16-bit left shift operation immediately with UINT32.

Cc: Hao A Wu <hao.a.wu at intel.com>
Cc: Ray Ni <ray.ni at intel.com>
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4204
Signed-off-by: Ranbir Singh <Ranbir.Singh3 at Dell.com>
Signed-off-by: Ranbir Singh <rsingh at ventanamicro.com>
Reviewed-by: Hao A Wu <hao.a.wu at intel.com>
---

 MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
index 50406fe0270d..f39c909d0631 100644
--- a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
+++ b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.c
@@ -1345,7 +1345,7 @@ AtaPassThruPassThru (
     // Check logical block size
     //
     if ((IdentifyData->AtaData.phy_logic_sector_support & BIT12) != 0) {
-      BlockSize = (UINT32)(((IdentifyData->AtaData.logic_sector_size_hi << 16) | IdentifyData->AtaData.logic_sector_size_lo) * sizeof (UINT16));
+      BlockSize = (UINT32)(((UINT32)(IdentifyData->AtaData.logic_sector_size_hi << 16) | IdentifyData->AtaData.logic_sector_size_lo) * sizeof (UINT16));
     }
   }
 
-- 
2.34.1



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