Re: [PATCH] scsi: bnx2i: bnx2i_iscsi.c: Cleaning up variable is set more than once

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On Wed, 2014-06-25 at 16:26 +0200, Maurizio Lombardi wrote:
> Hi,
> 
> On 06/25/2014 04:04 PM, Rickard Strandqvist wrote:
> > A struct member variable is set to different values without having used in between.
> > 
> > This was found using a static code analysis program called cppcheck
> > 
> > Signed-off-by: Rickard Strandqvist <rickard_strandqvist@xxxxxxxxxxxxxxxxxx>
> > ---
> >  drivers/scsi/bnx2i/bnx2i_iscsi.c |    1 -
> >  1 file changed, 1 deletion(-)
> > 
> > diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c
> > index 166543f..fdf7bc3 100644
> > --- a/drivers/scsi/bnx2i/bnx2i_iscsi.c
> > +++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c
> > @@ -1643,7 +1643,6 @@ static void bnx2i_conn_get_stats(struct iscsi_cls_conn *cls_conn,
> >  	stats->r2t_pdus = conn->r2t_pdus_cnt;
> >  	stats->tmfcmd_pdus = conn->tmfcmd_pdus_cnt;
> >  	stats->tmfrsp_pdus = conn->tmfrsp_pdus_cnt;
> > -	stats->custom_length = 3;
> >  	strcpy(stats->custom[2].desc, "eh_abort_cnt");
> >  	stats->custom[2].value = conn->eh_abort_cnt;
> >  	stats->digest_err = 0;
> > 
> 
> Eddie,
> 
> The code modifies the content of stats->custom[2], so shouldn't custom_length be set to 3?
> Why is it set to zero at the end of this function?
Nice find.  This is literally a day1 bug.  Yes, I agree that the
custom_length should be left at 3.  Otherwise, the nlmsg replied back to
the application would not have the custom message.  Thanks.
> 
> Regards,
> Maurizio Lombardi


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