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Date: Thu, 21 Feb 2019 13:47:28 +0000 From: "Wan, Kaike" <kaike.wan@...el.com> To: "Gustavo A. R. Silva" <gustavo@...eddedor.com>, "Marciniszyn, Mike" <mike.marciniszyn@...el.com>, "Dalessandro, Dennis" <dennis.dalessandro@...el.com>, Doug Ledford <dledford@...hat.com>, "Jason Gunthorpe" <jgg@...pe.ca> CC: "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Kees Cook <keescook@...omium.org> Subject: RE: [PATCH] IB/hfi1: Add missing break in switch statement > -----Original Message----- > From: Gustavo A. R. Silva [mailto:gustavo@...eddedor.com] > Sent: Wednesday, February 20, 2019 8:03 PM > To: Wan, Kaike <kaike.wan@...el.com>; Marciniszyn, Mike > <mike.marciniszyn@...el.com>; Dalessandro, Dennis > <dennis.dalessandro@...el.com>; Doug Ledford <dledford@...hat.com>; > Jason Gunthorpe <jgg@...pe.ca> > Cc: linux-rdma@...r.kernel.org; linux-kernel@...r.kernel.org; Gustavo A. R. > Silva <gustavo@...eddedor.com>; Kees Cook <keescook@...omium.org> > Subject: [PATCH] IB/hfi1: Add missing break in switch statement > > Fix the following warning by adding a missing break: > > drivers/infiniband/hw/hfi1/tid_rdma.c: In function > ‘hfi1_tid_rdma_wqe_interlock’: > drivers/infiniband/hw/hfi1/tid_rdma.c:3251:3: warning: this statement may > fall through [-Wimplicit-fallthrough=] > switch (prev->wr.opcode) { > ^~~~~~ > drivers/infiniband/hw/hfi1/tid_rdma.c:3259:2: note: here > case IB_WR_RDMA_READ: > ^~~~ > > Warning level 3 was used: -Wimplicit-fallthrough=3 > > This patch is part of the ongoing efforts to enable -Wimplicit-fallthrough. > > Fixes: c6c231175ccd ("IB/hfi1: Add interlock between TID RDMA WRITE and > other requests") > Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com> > --- > drivers/infiniband/hw/hfi1/tid_rdma.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/infiniband/hw/hfi1/tid_rdma.c > b/drivers/infiniband/hw/hfi1/tid_rdma.c > index bc2ff83026f7..fdda33aca77f 100644 > --- a/drivers/infiniband/hw/hfi1/tid_rdma.c > +++ b/drivers/infiniband/hw/hfi1/tid_rdma.c > @@ -3256,6 +3256,7 @@ bool hfi1_tid_rdma_wqe_interlock(struct rvt_qp > *qp, struct rvt_swqe *wqe) > default: > break; > } > + break; > case IB_WR_RDMA_READ: > if (prev->wr.opcode != IB_WR_TID_RDMA_WRITE) > break; > -- Reviewed-by: Kaike Wan <Kaike.wan@...el.com> > 2.20.1
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