IB/core: Remove a 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 <[email protected]>

Cc Sagi Grimberg <sagig-VPRAkNaXOzVWk0Htik3J/[email protected]>

Cc Christoph Hellwig <[email protected]>

---
 drivers/infiniband/core/verbs.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

drivers/infiniband/core/verbs.c +1 -2

index 545906d..c90ed29 100644
@@ -1530,7 +1530,7 @@ 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;

@@ -1572,7 +1572,6 @@ 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;
 	}
 

Signature · 6 lines

2.1.4

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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 <[email protected]>

Cc Sagi Grimberg <sagig-VPRAkNaXOzVWk0Htik3J/[email protected]>

Cc Christoph Hellwig <[email protected]>

---
 drivers/infiniband/core/verbs.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

drivers/infiniband/core/verbs.c +1 -1

index 545906d..c90ed29 100644
@@ -1530,7 +1530,7 @@ 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;