linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH v2] net: bnxt: Fix a uninitialized variable warning.
@ 2018-09-18  4:55 zhong jiang
  2018-09-18  7:02 ` Michael Chan
  0 siblings, 1 reply; 3+ messages in thread
From: zhong jiang @ 2018-09-18  4:55 UTC (permalink / raw)
  To: michael.chan, davem, vasundhara-v.volam; +Cc: netdev, linux-kernel

Fix the following compile warning:

drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c:49:5: warning: ‘nvm_param.dir_type’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  if (nvm_param.dir_type == BNXT_NVM_PORT_CFG)

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
index f3b9fbc..1ae56fc 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
@@ -46,6 +46,9 @@ static int bnxt_hwrm_nvm_req(struct bnxt *bp, u32 param_id, void *msg,
 		}
 	}
 
+	if (i == ARRAY_SIZE(nvm_params))
+		return -EINVAL;
+
 	if (nvm_param.dir_type == BNXT_NVM_PORT_CFG)
 		idx = bp->pf.port_id;
 	else if (nvm_param.dir_type == BNXT_NVM_FUNC_CFG)
-- 
1.7.12.4


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH v2] net: bnxt: Fix a uninitialized variable warning.
  2018-09-18  4:55 [PATCH v2] net: bnxt: Fix a uninitialized variable warning zhong jiang
@ 2018-09-18  7:02 ` Michael Chan
  2018-09-18  7:18   ` zhong jiang
  0 siblings, 1 reply; 3+ messages in thread
From: Michael Chan @ 2018-09-18  7:02 UTC (permalink / raw)
  To: zhong jiang; +Cc: David Miller, Vasundhara Volam, Netdev, open list

On Mon, Sep 17, 2018 at 9:55 PM, zhong jiang <zhongjiang@huawei.com> wrote:
> Fix the following compile warning:
>
> drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c:49:5: warning: ‘nvm_param.dir_type’ may be used uninitialized in this function [-Wmaybe-uninitialized]
>   if (nvm_param.dir_type == BNXT_NVM_PORT_CFG)
>
> Signed-off-by: zhong jiang <zhongjiang@huawei.com>
> ---
>  drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
> index f3b9fbc..1ae56fc 100644
> --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
> +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
> @@ -46,6 +46,9 @@ static int bnxt_hwrm_nvm_req(struct bnxt *bp, u32 param_id, void *msg,
>                 }
>         }
>
> +       if (i == ARRAY_SIZE(nvm_params))
> +               return -EINVAL;
> +

-EOPNOTSUPP might be a better return code.  Other than that, it looks
good to me.  Thanks.

>         if (nvm_param.dir_type == BNXT_NVM_PORT_CFG)
>                 idx = bp->pf.port_id;
>         else if (nvm_param.dir_type == BNXT_NVM_FUNC_CFG)
> --
> 1.7.12.4
>

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH v2] net: bnxt: Fix a uninitialized variable warning.
  2018-09-18  7:02 ` Michael Chan
@ 2018-09-18  7:18   ` zhong jiang
  0 siblings, 0 replies; 3+ messages in thread
From: zhong jiang @ 2018-09-18  7:18 UTC (permalink / raw)
  To: Michael Chan; +Cc: David Miller, Vasundhara Volam, Netdev, open list

On 2018/9/18 15:02, Michael Chan wrote:
> On Mon, Sep 17, 2018 at 9:55 PM, zhong jiang <zhongjiang@huawei.com> wrote:
>> Fix the following compile warning:
>>
>> drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c:49:5: warning: ‘nvm_param.dir_type’ may be used uninitialized in this function [-Wmaybe-uninitialized]
>>   if (nvm_param.dir_type == BNXT_NVM_PORT_CFG)
>>
>> Signed-off-by: zhong jiang <zhongjiang@huawei.com>
>> ---
>>  drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c | 3 +++
>>  1 file changed, 3 insertions(+)
>>
>> diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
>> index f3b9fbc..1ae56fc 100644
>> --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
>> +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
>> @@ -46,6 +46,9 @@ static int bnxt_hwrm_nvm_req(struct bnxt *bp, u32 param_id, void *msg,
>>                 }
>>         }
>>
>> +       if (i == ARRAY_SIZE(nvm_params))
>> +               return -EINVAL;
>> +
> -EOPNOTSUPP might be a better return code.  Other than that, it looks
> good to me.  Thanks.
Thanks for suggestion.  Will repost.

Sincerely,
zhong jiang
>>         if (nvm_param.dir_type == BNXT_NVM_PORT_CFG)
>>                 idx = bp->pf.port_id;
>>         else if (nvm_param.dir_type == BNXT_NVM_FUNC_CFG)
>> --
>> 1.7.12.4
>>
>



^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2018-09-18  7:18 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-09-18  4:55 [PATCH v2] net: bnxt: Fix a uninitialized variable warning zhong jiang
2018-09-18  7:02 ` Michael Chan
2018-09-18  7:18   ` zhong jiang

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).