* [edk2-devel] [PATCH v1 1/1] MdePkg/Library/TdxLib: Remove unnecessary comparison
@ 2023-09-06 17:34 Michael Kubacki
2023-09-06 23:32 ` Yao, Jiewen
2023-09-07 22:01 ` Michael D Kinney
0 siblings, 2 replies; 4+ messages in thread
From: Michael Kubacki @ 2023-09-06 17:34 UTC (permalink / raw)
To: devel; +Cc: Michael D Kinney, Liming Gao, Zhiguang Liu, Rebecca Cran
From: Michael Kubacki <michael.kubacki@microsoft.com>
Removes the comparison since unsigned values are always greater than
or equal to 0.
See the following CodeQL query for more info:
/cpp/cpp-unsigned-comparison-zero/
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Cc: Rebecca Cran <rebecca@bsdio.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
---
MdePkg/Library/TdxLib/Rtmr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/MdePkg/Library/TdxLib/Rtmr.c b/MdePkg/Library/TdxLib/Rtmr.c
index a0283966b353..cbf1dda7bcff 100644
--- a/MdePkg/Library/TdxLib/Rtmr.c
+++ b/MdePkg/Library/TdxLib/Rtmr.c
@@ -51,7 +51,7 @@ TdExtendRtmr (
ASSERT (Data != NULL);
ASSERT (DataLen == SHA384_DIGEST_SIZE);
- ASSERT (Index >= 0 && Index < RTMR_COUNT);
+ ASSERT (Index < RTMR_COUNT);
if ((Data == NULL) || (DataLen != SHA384_DIGEST_SIZE) || (Index >= RTMR_COUNT)) {
return EFI_INVALID_PARAMETER;
--
2.42.0.windows.2
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^ permalink raw reply related [flat|nested] 4+ messages in thread* Re: [edk2-devel] [PATCH v1 1/1] MdePkg/Library/TdxLib: Remove unnecessary comparison
2023-09-06 17:34 [edk2-devel] [PATCH v1 1/1] MdePkg/Library/TdxLib: Remove unnecessary comparison Michael Kubacki
@ 2023-09-06 23:32 ` Yao, Jiewen
2023-09-08 0:38 ` 回复: " gaoliming via groups.io
2023-09-07 22:01 ` Michael D Kinney
1 sibling, 1 reply; 4+ messages in thread
From: Yao, Jiewen @ 2023-09-06 23:32 UTC (permalink / raw)
To: devel@edk2.groups.io, mikuback@linux.microsoft.com
Cc: Kinney, Michael D, Gao, Liming, Liu, Zhiguang, Rebecca Cran
Reviewed-by: Jiewen Yao <Jiewen.yao@intel.com>
> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Michael
> Kubacki
> Sent: Thursday, September 7, 2023 1:34 AM
> To: devel@edk2.groups.io
> Cc: Kinney, Michael D <michael.d.kinney@intel.com>; Gao, Liming
> <gaoliming@byosoft.com.cn>; Liu, Zhiguang <zhiguang.liu@intel.com>; Rebecca
> Cran <rebecca@bsdio.com>
> Subject: [edk2-devel] [PATCH v1 1/1] MdePkg/Library/TdxLib: Remove
> unnecessary comparison
>
> From: Michael Kubacki <michael.kubacki@microsoft.com>
>
> Removes the comparison since unsigned values are always greater than
> or equal to 0.
>
> See the following CodeQL query for more info:
> /cpp/cpp-unsigned-comparison-zero/
>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Cc: Liming Gao <gaoliming@byosoft.com.cn>
> Cc: Zhiguang Liu <zhiguang.liu@intel.com>
> Cc: Rebecca Cran <rebecca@bsdio.com>
> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
> ---
> MdePkg/Library/TdxLib/Rtmr.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/MdePkg/Library/TdxLib/Rtmr.c b/MdePkg/Library/TdxLib/Rtmr.c
> index a0283966b353..cbf1dda7bcff 100644
> --- a/MdePkg/Library/TdxLib/Rtmr.c
> +++ b/MdePkg/Library/TdxLib/Rtmr.c
> @@ -51,7 +51,7 @@ TdExtendRtmr (
>
> ASSERT (Data != NULL);
> ASSERT (DataLen == SHA384_DIGEST_SIZE);
> - ASSERT (Index >= 0 && Index < RTMR_COUNT);
> + ASSERT (Index < RTMR_COUNT);
>
> if ((Data == NULL) || (DataLen != SHA384_DIGEST_SIZE) || (Index >=
> RTMR_COUNT)) {
> return EFI_INVALID_PARAMETER;
> --
> 2.42.0.windows.2
>
>
>
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^ permalink raw reply [flat|nested] 4+ messages in thread* 回复: [edk2-devel] [PATCH v1 1/1] MdePkg/Library/TdxLib: Remove unnecessary comparison
2023-09-06 23:32 ` Yao, Jiewen
@ 2023-09-08 0:38 ` gaoliming via groups.io
0 siblings, 0 replies; 4+ messages in thread
From: gaoliming via groups.io @ 2023-09-08 0:38 UTC (permalink / raw)
To: 'Yao, Jiewen', devel, mikuback
Cc: 'Kinney, Michael D', 'Liu, Zhiguang',
'Rebecca Cran'
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
> -----邮件原件-----
> 发件人: Yao, Jiewen <jiewen.yao@intel.com>
> 发送时间: 2023年9月7日 7:32
> 收件人: devel@edk2.groups.io; mikuback@linux.microsoft.com
> 抄送: Kinney, Michael D <michael.d.kinney@intel.com>; Gao, Liming
> <gaoliming@byosoft.com.cn>; Liu, Zhiguang <zhiguang.liu@intel.com>;
> Rebecca Cran <rebecca@bsdio.com>
> 主题: RE: [edk2-devel] [PATCH v1 1/1] MdePkg/Library/TdxLib: Remove
> unnecessary comparison
>
> Reviewed-by: Jiewen Yao <Jiewen.yao@intel.com>
>
> > -----Original Message-----
> > From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Michael
> > Kubacki
> > Sent: Thursday, September 7, 2023 1:34 AM
> > To: devel@edk2.groups.io
> > Cc: Kinney, Michael D <michael.d.kinney@intel.com>; Gao, Liming
> > <gaoliming@byosoft.com.cn>; Liu, Zhiguang <zhiguang.liu@intel.com>;
> Rebecca
> > Cran <rebecca@bsdio.com>
> > Subject: [edk2-devel] [PATCH v1 1/1] MdePkg/Library/TdxLib: Remove
> > unnecessary comparison
> >
> > From: Michael Kubacki <michael.kubacki@microsoft.com>
> >
> > Removes the comparison since unsigned values are always greater than
> > or equal to 0.
> >
> > See the following CodeQL query for more info:
> > /cpp/cpp-unsigned-comparison-zero/
> >
> > Cc: Michael D Kinney <michael.d.kinney@intel.com>
> > Cc: Liming Gao <gaoliming@byosoft.com.cn>
> > Cc: Zhiguang Liu <zhiguang.liu@intel.com>
> > Cc: Rebecca Cran <rebecca@bsdio.com>
> > Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
> > ---
> > MdePkg/Library/TdxLib/Rtmr.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/MdePkg/Library/TdxLib/Rtmr.c b/MdePkg/Library/TdxLib/Rtmr.c
> > index a0283966b353..cbf1dda7bcff 100644
> > --- a/MdePkg/Library/TdxLib/Rtmr.c
> > +++ b/MdePkg/Library/TdxLib/Rtmr.c
> > @@ -51,7 +51,7 @@ TdExtendRtmr (
> >
> > ASSERT (Data != NULL);
> > ASSERT (DataLen == SHA384_DIGEST_SIZE);
> > - ASSERT (Index >= 0 && Index < RTMR_COUNT);
> > + ASSERT (Index < RTMR_COUNT);
> >
> > if ((Data == NULL) || (DataLen != SHA384_DIGEST_SIZE) || (Index >=
> > RTMR_COUNT)) {
> > return EFI_INVALID_PARAMETER;
> > --
> > 2.42.0.windows.2
> >
> >
> >
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> [jiewen.yao@intel.com]
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [edk2-devel] [PATCH v1 1/1] MdePkg/Library/TdxLib: Remove unnecessary comparison
2023-09-06 17:34 [edk2-devel] [PATCH v1 1/1] MdePkg/Library/TdxLib: Remove unnecessary comparison Michael Kubacki
2023-09-06 23:32 ` Yao, Jiewen
@ 2023-09-07 22:01 ` Michael D Kinney
1 sibling, 0 replies; 4+ messages in thread
From: Michael D Kinney @ 2023-09-07 22:01 UTC (permalink / raw)
To: mikuback@linux.microsoft.com, devel@edk2.groups.io
Cc: Gao, Liming, Liu, Zhiguang, Rebecca Cran, Kinney, Michael D
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
> -----Original Message-----
> From: mikuback@linux.microsoft.com <mikuback@linux.microsoft.com>
> Sent: Wednesday, September 6, 2023 10:34 AM
> To: devel@edk2.groups.io
> Cc: Kinney, Michael D <michael.d.kinney@intel.com>; Gao, Liming
> <gaoliming@byosoft.com.cn>; Liu, Zhiguang <zhiguang.liu@intel.com>;
> Rebecca Cran <rebecca@bsdio.com>
> Subject: [PATCH v1 1/1] MdePkg/Library/TdxLib: Remove unnecessary
> comparison
>
> From: Michael Kubacki <michael.kubacki@microsoft.com>
>
> Removes the comparison since unsigned values are always greater than
> or equal to 0.
>
> See the following CodeQL query for more info:
> /cpp/cpp-unsigned-comparison-zero/
>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Cc: Liming Gao <gaoliming@byosoft.com.cn>
> Cc: Zhiguang Liu <zhiguang.liu@intel.com>
> Cc: Rebecca Cran <rebecca@bsdio.com>
> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
> ---
> MdePkg/Library/TdxLib/Rtmr.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/MdePkg/Library/TdxLib/Rtmr.c b/MdePkg/Library/TdxLib/Rtmr.c
> index a0283966b353..cbf1dda7bcff 100644
> --- a/MdePkg/Library/TdxLib/Rtmr.c
> +++ b/MdePkg/Library/TdxLib/Rtmr.c
> @@ -51,7 +51,7 @@ TdExtendRtmr (
>
> ASSERT (Data != NULL);
> ASSERT (DataLen == SHA384_DIGEST_SIZE);
> - ASSERT (Index >= 0 && Index < RTMR_COUNT);
> + ASSERT (Index < RTMR_COUNT);
>
> if ((Data == NULL) || (DataLen != SHA384_DIGEST_SIZE) || (Index >=
> RTMR_COUNT)) {
> return EFI_INVALID_PARAMETER;
> --
> 2.42.0.windows.2
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2023-09-06 17:34 [edk2-devel] [PATCH v1 1/1] MdePkg/Library/TdxLib: Remove unnecessary comparison Michael Kubacki
2023-09-06 23:32 ` Yao, Jiewen
2023-09-08 0:38 ` 回复: " gaoliming via groups.io
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