On Tue, Aug 25, 2020 at 06:12:42PM +0100, Alex Dewar wrote:
> Commit 36a8f01cd24b ("IB/qib: Add congestion control agent implementation")
> erroneously marked a couple of switch cases as /* FALLTHROUGH */, which
> were later converted to fallthrough statements by commit df561f6688fe
> ("treewide: Use fallthrough pseudo-keyword"). This triggered a Coverity
> warning about unreachable code.
>
It's worth mentioning that this warning is triggered only by compilers
that don't support __attribute__((__fallthrough__)), which has been
supported since GCC 7.1.
> Remove the fallthrough statements.
>
> Addresses-Coverity: ("Unreachable code")
> Fixes: 36a8f01cd24b ("IB/qib: Add congestion control agent implementation")
> Signed-off-by: Alex Dewar <alex.dewar90@xxxxxxxxx>
Reviewed-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>
> ---
> v2: Do refactoring in a separate patch (Gustavo)
> ---
^^^
These dashes are not needed.
Thanks
--
Gustavo
> drivers/infiniband/hw/qib/qib_mad.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c
> index e7789e724f56..f972e559a8a7 100644
> --- a/drivers/infiniband/hw/qib/qib_mad.c
> +++ b/drivers/infiniband/hw/qib/qib_mad.c
> @@ -2322,7 +2322,6 @@ static int process_cc(struct ib_device *ibdev, int mad_flags,
> ret = cc_get_congestion_control_table(ccp, ibdev, port);
> goto bail;
>
> - fallthrough;
> default:
> ccp->status |= IB_SMP_UNSUP_METH_ATTR;
> ret = reply((struct ib_smp *) ccp);
> @@ -2339,7 +2338,6 @@ static int process_cc(struct ib_device *ibdev, int mad_flags,
> ret = cc_set_congestion_control_table(ccp, ibdev, port);
> goto bail;
>
> - fallthrough;
> default:
> ccp->status |= IB_SMP_UNSUP_METH_ATTR;
> ret = reply((struct ib_smp *) ccp);
> --
> 2.28.0
>
