linux-kernel - Re: [PATCH] driver : edac : Fix warning using plain integer as NULL

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Date:   Sun, 26 Nov 2023 01:07:42 +0530
From:   Abhinav Singh <singhabhinav9051571833@...il.com>
To:     tony.luck@...el.com, qiuxu.zhuo@...el.com, bp@...en8.de,
        james.morse@....com, mchehab@...nel.org, rric@...nel.org
Cc:     linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kernel-mentees@...ts.linuxfoundation.org
Subject: Re: [PATCH] driver : edac : Fix warning using plain integer as NULL

On 11/10/23 02:51, Abhinav Singh wrote:
> Sparse static analysis tools generate a warning with this message
> "Using plain integer as NULL pointer". In this case this warning is
> being shown because we are trying to initialize  pointer to NULL using
> integer value 0.
> 
> Signed-off-by: Abhinav Singh <singhabhinav9051571833@...il.com>
> ---
>   drivers/edac/i7core_edac.c |  2 +-
>   drivers/edac/sb_edac.c     | 10 +++++-----
>   2 files changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
> index 23d25724bae4..08bf20c60111 100644
> --- a/drivers/edac/i7core_edac.c
> +++ b/drivers/edac/i7core_edac.c
> @@ -376,7 +376,7 @@ static const struct pci_id_table pci_dev_table[] = {
>   	PCI_ID_TABLE_ENTRY(pci_dev_descr_i7core_nehalem),
>   	PCI_ID_TABLE_ENTRY(pci_dev_descr_lynnfield),
>   	PCI_ID_TABLE_ENTRY(pci_dev_descr_i7core_westmere),
> -	{0,}			/* 0 terminated list. */
> +	{NULL,}			/* 0 terminated list. */
>   };
>   
>   /*
> diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
> index 0c779a0326b6..a3f50a66de33 100644
> --- a/drivers/edac/sb_edac.c
> +++ b/drivers/edac/sb_edac.c
> @@ -439,7 +439,7 @@ static const struct pci_id_descr pci_dev_descr_sbridge[] = {
>   
>   static const struct pci_id_table pci_dev_descr_sbridge_table[] = {
>   	PCI_ID_TABLE_ENTRY(pci_dev_descr_sbridge, ARRAY_SIZE(pci_dev_descr_sbridge), 1, SANDY_BRIDGE),
> -	{0,}			/* 0 terminated list. */
> +	{NULL,}			/* 0 terminated list. */
>   };
>   
>   /* This changes depending if 1HA or 2HA:
> @@ -505,7 +505,7 @@ static const struct pci_id_descr pci_dev_descr_ibridge[] = {
>   
>   static const struct pci_id_table pci_dev_descr_ibridge_table[] = {
>   	PCI_ID_TABLE_ENTRY(pci_dev_descr_ibridge, 12, 2, IVY_BRIDGE),
> -	{0,}			/* 0 terminated list. */
> +	{NULL,}			/* 0 terminated list. */
>   };
>   
>   /* Haswell support */
> @@ -576,7 +576,7 @@ static const struct pci_id_descr pci_dev_descr_haswell[] = {
>   
>   static const struct pci_id_table pci_dev_descr_haswell_table[] = {
>   	PCI_ID_TABLE_ENTRY(pci_dev_descr_haswell, 13, 2, HASWELL),
> -	{0,}			/* 0 terminated list. */
> +	{NULL,}			/* 0 terminated list. */
>   };
>   
>   /* Knight's Landing Support */
> @@ -620,7 +620,7 @@ static const struct pci_id_descr pci_dev_descr_knl[] = {
>   
>   static const struct pci_id_table pci_dev_descr_knl_table[] = {
>   	PCI_ID_TABLE_ENTRY(pci_dev_descr_knl, ARRAY_SIZE(pci_dev_descr_knl), 1, KNIGHTS_LANDING),
> -	{0,}
> +	{NULL,}
>   };
>   
>   /*
> @@ -686,7 +686,7 @@ static const struct pci_id_descr pci_dev_descr_broadwell[] = {
>   
>   static const struct pci_id_table pci_dev_descr_broadwell_table[] = {
>   	PCI_ID_TABLE_ENTRY(pci_dev_descr_broadwell, 10, 2, BROADWELL),
> -	{0,}			/* 0 terminated list. */
> +	{NULL,}			/* 0 terminated list. */
>   };
>   
>   
Hello maintainers, any reviews or comments

Thank You,
Abhinav Singh