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From: Darren Kenny <darren.kenny@oracle.com>
To: P J P <ppandit@redhat.com>, QEMU Developers <qemu-devel@nongnu.org>
Cc: "Fam Zheng" <fam@euphon.net>,
	"Prasad J Pandit" <pjp@fedoraproject.org>,
	"Alexander Bulekov" <alxndr@bu.edu>,
	"Marc-André Lureau" <marcandre.lureau@redhat.com>,
	"Ding Ren" <rding@gatech.edu>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>
Subject: Re: [PATCH v2 3/3] megasas: use unsigned type for positive numeric fields
Date: Thu, 14 May 2020 14:28:44 +0100	[thread overview]
Message-ID: <m2eermk5mb.fsf@oracle.com> (raw)
In-Reply-To: <20200513192540.1583887-4-ppandit@redhat.com>

On Thursday, 2020-05-14 at 00:55:40 +0530, P J P wrote:
> From: Prasad J Pandit <pjp@fedoraproject.org>
>
> Use unsigned type for the MegasasState fields which hold positive
> numeric values.
>
> Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>

Reviewed-by: Darren Kenny <darren.kenny@oracle.com>

> ---
>  hw/scsi/megasas.c | 38 +++++++++++++++++++-------------------
>  1 file changed, 19 insertions(+), 19 deletions(-)
>
> diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c
> index b531d88a9b..634af0bbb8 100644
> --- a/hw/scsi/megasas.c
> +++ b/hw/scsi/megasas.c
> @@ -86,34 +86,34 @@ typedef struct MegasasState {
>      MemoryRegion queue_io;
>      uint32_t frame_hi;
>  
> -    int fw_state;
> +    uint32_t fw_state;
>      uint32_t fw_sge;
>      uint32_t fw_cmds;
>      uint32_t flags;
> -    int fw_luns;
> -    int intr_mask;
> -    int doorbell;
> -    int busy;
> -    int diag;
> -    int adp_reset;
> +    uint32_t fw_luns;
> +    uint32_t intr_mask;
> +    uint32_t doorbell;
> +    uint32_t busy;
> +    uint32_t diag;
> +    uint32_t adp_reset;
>      OnOffAuto msi;
>      OnOffAuto msix;
>  
>      MegasasCmd *event_cmd;
> -    int event_locale;
> +    uint16_t event_locale;
>      int event_class;
> -    int event_count;
> -    int shutdown_event;
> -    int boot_event;
> +    uint32_t event_count;
> +    uint32_t shutdown_event;
> +    uint32_t boot_event;
>  
>      uint64_t sas_addr;
>      char *hba_serial;
>  
>      uint64_t reply_queue_pa;
>      void *reply_queue;
> -    int reply_queue_len;
> +    uint16_t reply_queue_len;
>      uint16_t reply_queue_head;
> -    int reply_queue_tail;
> +    uint16_t reply_queue_tail;
>      uint64_t consumer_pa;
>      uint64_t producer_pa;
>  
> @@ -2259,9 +2259,9 @@ static const VMStateDescription vmstate_megasas_gen1 = {
>          VMSTATE_PCI_DEVICE(parent_obj, MegasasState),
>          VMSTATE_MSIX(parent_obj, MegasasState),
>  
> -        VMSTATE_INT32(fw_state, MegasasState),
> -        VMSTATE_INT32(intr_mask, MegasasState),
> -        VMSTATE_INT32(doorbell, MegasasState),
> +        VMSTATE_UINT32(fw_state, MegasasState),
> +        VMSTATE_UINT32(intr_mask, MegasasState),
> +        VMSTATE_UINT32(doorbell, MegasasState),
>          VMSTATE_UINT64(reply_queue_pa, MegasasState),
>          VMSTATE_UINT64(consumer_pa, MegasasState),
>          VMSTATE_UINT64(producer_pa, MegasasState),
> @@ -2278,9 +2278,9 @@ static const VMStateDescription vmstate_megasas_gen2 = {
>          VMSTATE_PCI_DEVICE(parent_obj, MegasasState),
>          VMSTATE_MSIX(parent_obj, MegasasState),
>  
> -        VMSTATE_INT32(fw_state, MegasasState),
> -        VMSTATE_INT32(intr_mask, MegasasState),
> -        VMSTATE_INT32(doorbell, MegasasState),
> +        VMSTATE_UINT32(fw_state, MegasasState),
> +        VMSTATE_UINT32(intr_mask, MegasasState),
> +        VMSTATE_UINT32(doorbell, MegasasState),
>          VMSTATE_UINT64(reply_queue_pa, MegasasState),
>          VMSTATE_UINT64(consumer_pa, MegasasState),
>          VMSTATE_UINT64(producer_pa, MegasasState),
> -- 
> 2.25.4


  reply	other threads:[~2020-05-14 13:29 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-13 19:25 [PATCH v2 0/3] Megasas: fix OOB access and NULL dereference issues P J P
2020-05-13 19:25 ` [PATCH v2 1/3] megasas: use unsigned type for reply_queue_head and check index P J P
2020-05-13 20:31   ` Alexander Bulekov
2020-05-14 13:19   ` Darren Kenny
2020-05-14 16:10     ` P J P
2020-05-13 19:25 ` [PATCH v2 2/3] megasas: avoid NULL pointer dereference P J P
2020-05-13 20:20   ` Alexander Bulekov
2020-05-14 13:19   ` Darren Kenny
2020-05-21 15:34   ` Paolo Bonzini
2020-05-26  7:18     ` P J P
2020-05-26  7:49       ` Paolo Bonzini
2020-05-13 19:25 ` [PATCH v2 3/3] megasas: use unsigned type for positive numeric fields P J P
2020-05-14 13:28   ` Darren Kenny [this message]
2020-05-21 15:35 ` [PATCH v2 0/3] Megasas: fix OOB access and NULL dereference issues Paolo Bonzini

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