Re: [PATCH] net: bnxt: Fix a uninitialized variable warning.

From: zhong jiang
Date: Mon Sep 17 2018 - 22:00:50 EST


On 2018/9/18 1:36, Michael Chan wrote:
> On Mon, Sep 17, 2018 at 9:31 AM, zhong jiang <zhongjiang@xxxxxxxxxx> wrote:
>> Fix the following compile warning:
>>
>> drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c:49:5: warning: ânvm_param.dir_typeâ may be used uninitialized in this function [-Wmaybe-uninitialized]
>> if (nvm_param.dir_type == BNXT_NVM_PORT_CFG)
>>
>> Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
>> ---
>> drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
>> index f3b9fbc..ab88217 100644
>> --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
>> +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
>> @@ -31,7 +31,7 @@ static int bnxt_hwrm_nvm_req(struct bnxt *bp, u32 param_id, void *msg,
>> {
>> struct hwrm_nvm_get_variable_input *req = msg;
>> void *data_addr = NULL, *buf = NULL;
>> - struct bnxt_dl_nvm_param nvm_param;
>> + struct bnxt_dl_nvm_param nvm_param = {0};
>> int bytesize, idx = 0, rc, i;
>> dma_addr_t data_dma_addr;
>>
> I think it is better to return error if there is no param_id match
> after the for loop. The for loop will initialize nvm_param if there
> is param_id match.
Will do in v2. Thanks for review.

Sincerely,
zhong jiang