linux-kernel - [PATCH] IB/core: remove dead code

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Message-Id: <1465159552-11833-1-git-send-email-sudipm.mukherjee@gmail.com>
Date:	Sun,  5 Jun 2016 21:45:52 +0100
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Doug Ledford <dledford@...hat.com>,
	Sean Hefty <sean.hefty@...el.com>,
	Hal Rosenstock <hal.rosenstock@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org,
	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH] IB/core: remove dead code

prot_sg_cnt has been assigned with the value of ret which we have
already checked to be non-zero so prot_sg_cnt can never be zero at this
point of the code and hence the else part can never execute.

Signed-off-by: Sudip Mukherjee <sudip.mukherjee@...ethink.co.uk>
---
 drivers/infiniband/core/rw.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/infiniband/core/rw.c b/drivers/infiniband/core/rw.c
index 1eb9b12..644589b 100644
--- a/drivers/infiniband/core/rw.c
+++ b/drivers/infiniband/core/rw.c
@@ -398,8 +398,6 @@ int rdma_rw_ctx_signature_init(struct rdma_rw_ctx *ctx, struct ib_qp *qp,
 		else
 			prev_wr->next = &ctx->sig->prot.reg_wr.wr;
 		prev_wr = &ctx->sig->prot.reg_wr.wr;
-	} else {
-		ctx->sig->prot.mr = NULL;
 	}
 
 	ctx->sig->sig_mr = ib_mr_pool_get(qp, &qp->sig_mrs);
-- 
1.9.1