Reviewed-by: Liming Gao <gaolim...@byosoft.com.cn>
> -----邮件原件-----
> 发件人: devel@edk2.groups.io <devel@edk2.groups.io> 代表 sivaparvathi
> C via groups.io
> 发送时间: 2022年8月2日 12:02
> 收件人: devel@edk2.groups.io; Sivaparvathi Chellaiah
> <sivaparvat...@ami.com>
> 抄送: Vasudevan Sambandan <vasudev...@ami.com>; Sundaresan S
> <sundares...@ami.com>
> 主题: [edk2-devel] [PATCH] [PATCH]MdeModulePkg/Ufs: Coverity scan flags
> multiple issues in edk2-stable202205 Signed-off-by: sivaparvat...@ami.com
>
> ---
> MdeModulePkg/Bus/Ufs/UfsBlockIoPei/DmaMem.c | 18
> ++++++++++++------
> MdeModulePkg/Bus/Ufs/UfsBlockIoPei/UfsHcMem.c | 3 +++
> 2 files changed, 15 insertions(+), 6 deletions(-)
>
> diff --git a/MdeModulePkg/Bus/Ufs/UfsBlockIoPei/DmaMem.c
> b/MdeModulePkg/Bus/Ufs/UfsBlockIoPei/DmaMem.c
> index 62aeaf86c8..b4b0f07d5e 100644
> --- a/MdeModulePkg/Bus/Ufs/UfsBlockIoPei/DmaMem.c
> +++ b/MdeModulePkg/Bus/Ufs/UfsBlockIoPei/DmaMem.c
> @@ -240,10 +240,16 @@ IoMmuInit (
> VOID
>
> )
>
> {
>
> - PeiServicesLocatePpi (
>
> - &gEdkiiIoMmuPpiGuid,
>
> - 0,
>
> - NULL,
>
> - (VOID **)&mIoMmu
>
> - );
>
> + EFI_STATUS Status;
>
> +
>
> + Status = PeiServicesLocatePpi (
>
> + &gEdkiiIoMmuPpiGuid,
>
> + 0,
>
> + NULL,
>
> + (VOID **)&mIoMmu
>
> + );
>
> +
>
> + if (EFI_ERROR(Status)) {
>
> + DEBUG ((DEBUG_INFO, "Locate mIoMmu Ppi is failed!!!\n"));
>
> + }
>
> }
>
> diff --git a/MdeModulePkg/Bus/Ufs/UfsBlockIoPei/UfsHcMem.c
> b/MdeModulePkg/Bus/Ufs/UfsBlockIoPei/UfsHcMem.c
> index b7dd9b6acd..b5f0324908 100644
> --- a/MdeModulePkg/Bus/Ufs/UfsBlockIoPei/UfsHcMem.c
> +++ b/MdeModulePkg/Bus/Ufs/UfsBlockIoPei/UfsHcMem.c
> @@ -414,6 +414,9 @@ UfsPeimFreeMem (
> //
>
> ASSERT (Block != NULL);
>
>
>
> + if (Block == NULL) {
>
> + return;
>
> + }
>
> //
>
> // Release the current memory block if it is empty and not the head
>
> //
>
> --
> 2.31.0.windows.1
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