Re: [PATCH] fsl/qe: ucc: copy and paste bug in ucc_get_tdm_sync_shift()

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On Mon, 4 Jun 2018, Dan Carpenter wrote:

> On Mon, Jun 04, 2018 at 10:25:14PM +0900, Julia Lawall wrote:
> >
> >
> > On Mon, 4 Jun 2018, Dan Carpenter wrote:
> >
> > > There is a copy and paste bug so we accidentally use the RX_ shift when
> > > we're in TX_ mode.
> > >
> > > Fixes: bb8b2062aff3 ("fsl/qe: setup clock source for TDM mode")
> > > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> > > ---
> > > Static analysis work.  Not tested.  This affects the success path, so
> > > we should probably test it.
> >
> > Maybe this is another one?  I don't have time to look into it at the
> > moment...
> >
> > drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
> >
> >  	/* For strict priority entries defines the number of consecutive
> >  	 * slots for the highest priority.
> >  	 */
> > 	REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
> > 		   NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
> >  	/* Mapping between the CREDIT_WEIGHT registers and actual client
> >  	 * numbers
> >  	 */
> >
> > I find some others that choose between constants, such as ... ? 0 : 0.
>
> I feel like it should warn about all of those because people shouldn't
> be submitting unfinished written code to the kernel.  Coccinelle is a
> lot better for this than Smatch is because it's pre-processor stuff.

OK, maybe I can report these in the next few days.

thanks,
julia
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