[dpdk-dev] [PATCH v3 2/4] net/bnx2x: correct unmeetable comparison

Mody, Rasesh Rasesh.Mody at cavium.com
Tue May 15 00:17:28 CEST 2018


> From: Ferruh Yigit [mailto:ferruh.yigit at intel.com]
> Sent: Monday, May 14, 2018 4:17 AM
> To: Andy Green <andy at warmcat.com>; dev at dpdk.org; Patil, Harish
> <Harish.Patil at cavium.com>; Mody, Rasesh <Rasesh.Mody at cavium.com>
> Subject: Re: [dpdk-dev] [PATCH v3 2/4] net/bnx2x: correct unmeetable
> comparison
> 
> On 5/14/2018 6:04 AM, Andy Green wrote:
> > /home/agreen/projects/dpdk/drivers/net/bnx2x/elink.c:
> > In function ‘elink_check_kr2_wa’:
> > /home/agreen/projects/dpdk/drivers/net/bnx2x/elink.c:12922:28:
> > error: bitwise comparison always evaluates to false
> > [-Werror=tautological-compare]
> >         ((next_page & 0xe0) == 0x2))));
> >
> > This was fixed elsewhere in 2014
> 
> To be able to apply this fix in dpdk I think we need maintainers ack on this
> change, they are cc'ed.

Patch acked.

Thanks!
-Rasesh
 
> >
> > Signed-off-by: Andy Green <andy at warmcat.com>
> > Fixes: b5bf7719221d ("bnx2x: driver support routines")
> > Cc: stable at dpdk.org
> > ---
> >  drivers/net/bnx2x/elink.c |    2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/net/bnx2x/elink.c b/drivers/net/bnx2x/elink.c
> > index cceae6f9b..74e1bead3 100644
> > --- a/drivers/net/bnx2x/elink.c
> > +++ b/drivers/net/bnx2x/elink.c
> > @@ -12921,7 +12921,7 @@ static void elink_check_kr2_wa(struct
> elink_params *params,
> >  	 */
> >  	not_kr2_device = (((base_page & 0x8000) == 0) ||
> >  			  (((base_page & 0x8000) &&
> > -			    ((next_page & 0xe0) == 0x2))));
> > +			    ((next_page & 0xe0) == 0x20))));
> >
> >  	/* In case KR2 is already disabled, check if we need to re-enable it */
> >  	if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
> >



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