From: Bart Van Assche <bart.vanassche@sandisk.com>
Date: Tue, 29 Dec 2015 09:45:03 +0000 (+0100)
Subject: IB/core: Remove set-but-not-used variable from ib_sg_to_pages()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b6aeb980f1e143f3237365710290b199e9363eeb;p=linux.git

IB/core: Remove set-but-not-used variable from ib_sg_to_pages()

Detected this by building the IB core with W=1. See also patch
"IB core: Fix ib_sg_to_pages()" (commit 8f5ba10ed40a).

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: Christoph Hellwig <hch@lst.de>
Reviewed-by: Leon Romanovsky <leon.romanovsky@mellanox.com>
Acked-by: Sagi Grimberg <sagig@mellanox.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>
---

diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 072b94df870a6..95fcceae762c5 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -1611,7 +1611,7 @@ int ib_sg_to_pages(struct ib_mr *mr,
 		   int (*set_page)(struct ib_mr *, u64))
 {
 	struct scatterlist *sg;
-	u64 last_end_dma_addr = 0, last_page_addr = 0;
+	u64 last_end_dma_addr = 0;
 	unsigned int last_page_off = 0;
 	u64 page_mask = ~((u64)mr->page_size - 1);
 	int i, ret;
@@ -1653,7 +1653,6 @@ next_page:
 
 		mr->length += dma_len;
 		last_end_dma_addr = end_dma_addr;
-		last_page_addr = end_dma_addr & page_mask;
 		last_page_off = end_dma_addr & ~page_mask;
 	}