From: Ranbir Singh <rsingh@ventanamicro.com>
To: devel@edk2.groups.io, rsingh@ventanamicro.com
Cc: Hao A Wu <hao.a.wu@intel.com>, Ray Ni <ray.ni@intel.com>
Subject: [PATCH 1/1] MdeModulePkg/Bus/Ata/AtaBusDxe: Fix SIGN_EXTENSION Coverity issue
Date: Fri, 2 Jun 2023 21:38:51 +0530 [thread overview]
Message-ID: <20230602160852.98282-1-rsingh@ventanamicro.com> (raw)
From: Ranbir Singh <Ranbir.Singh3@Dell.com>
Line number 365 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@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4209
Signed-off-by: Ranbir Singh <Ranbir.Singh3@Dell.com>
---
MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c
index a77852bae054..ccd4c5f05b59 100644
--- a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c
+++ b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaPassThruExecute.c
@@ -362,7 +362,7 @@ IdentifyAtaDevice (
// Check logical block size
//
if ((PhyLogicSectorSupport & BIT12) != 0) {
- BlockMedia->BlockSize = (UINT32)(((IdentifyData->logic_sector_size_hi << 16) | IdentifyData->logic_sector_size_lo) * sizeof (UINT16));
+ BlockMedia->BlockSize = (((UINT32)(IdentifyData->logic_sector_size_hi << 16) | IdentifyData->logic_sector_size_lo) * sizeof (UINT16));
}
AtaDevice->BlockIo.Revision = EFI_BLOCK_IO_PROTOCOL_REVISION2;
--
2.34.1
next reply other threads:[~2023-06-02 16:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-02 16:08 Ranbir Singh [this message]
2023-06-08 7:17 ` [PATCH 1/1] MdeModulePkg/Bus/Ata/AtaBusDxe: Fix SIGN_EXTENSION Coverity issue Wu, Hao A
2023-06-08 10:06 ` Ranbir Singh
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