Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754960AbcCRRLd (ORCPT ); Fri, 18 Mar 2016 13:11:33 -0400 Received: from mail-pf0-f179.google.com ([209.85.192.179]:34524 "EHLO mail-pf0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751500AbcCRRLb (ORCPT ); Fri, 18 Mar 2016 13:11:31 -0400 From: Brian Norris To: Allen Hubbe , Dave Jiang Cc: linux-ntb@googlegroups.com, Brian Norris , , Jon Mason Subject: [PATCH] ntb: test: fix pointer size warning Date: Fri, 18 Mar 2016 10:11:20 -0700 Message-Id: <1458321080-42873-1-git-send-email-computersforpeace@gmail.com> X-Mailer: git-send-email 2.8.0.rc3.226.g39d4020 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1633 Lines: 42 drivers/ntb/test/ntb_perf.c: In function ‘perf_copy’: drivers/ntb/test/ntb_perf.c:213:10: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] drivers/ntb/test/ntb_perf.c:214:14: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] On 32-bit systems, we are casting a 32-bit pointer to a 64-bit value. This shouldn't cause functional problems, but we might as well fix the warning and allow 32-bit arithmetic for 32-bit systems. Signed-off-by: Brian Norris Cc: Dave Jiang Cc: Jon Mason Cc: Allen Hubbe --- drivers/ntb/test/ntb_perf.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c index c8a37ba4b4f9..835e2686998d 100644 --- a/drivers/ntb/test/ntb_perf.c +++ b/drivers/ntb/test/ntb_perf.c @@ -189,7 +189,7 @@ static ssize_t perf_copy(struct pthr_ctx *pctx, char *dst, dma_cookie_t cookie; size_t src_off, dst_off; struct perf_mw *mw = &perf->mw; - u64 vbase, dst_vaddr; + uintptr_t vbase, dst_vaddr; dma_addr_t dst_phys; int retries = 0; @@ -210,8 +210,8 @@ static ssize_t perf_copy(struct pthr_ctx *pctx, char *dst, if (!is_dma_copy_aligned(device, src_off, dst_off, size)) return -ENODEV; - vbase = (u64)(u64 *)mw->vbase; - dst_vaddr = (u64)(u64 *)dst; + vbase = (uintptr_t)(u64 *)mw->vbase; + dst_vaddr = (uintptr_t)(u64 *)dst; dst_phys = mw->phys_addr + (dst_vaddr - vbase); unmap = dmaengine_get_unmap_data(device->dev, 1, GFP_NOWAIT); -- 2.8.0.rc3.226.g39d4020