linux-kernel - [PATCH 1/3] misc: mic/scif: use list_next_entry instead of list_entry

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Message-Id: <6a47dadb3a625d7f5b20b4e98bb8af4d30db66a3.1447681244.git.geliangtang@163.com>
Date:	Mon, 16 Nov 2015 21:46:31 +0800
From:	Geliang Tang <geliangtang@....com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Sudeep Dutt <sudeep.dutt@...el.com>
Cc:	Geliang Tang <geliangtang@....com>, linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] misc: mic/scif: use list_next_entry instead of list_entry_next

list_next_entry has been defined in list.h, so I replace list_entry_next
with it.

Signed-off-by: Geliang Tang <geliangtang@....com>
---
 drivers/misc/mic/scif/scif_dma.c | 27 +++++++++++----------------
 1 file changed, 11 insertions(+), 16 deletions(-)

diff --git a/drivers/misc/mic/scif/scif_dma.c b/drivers/misc/mic/scif/scif_dma.c
index 95a13c6..8804bcc 100644
--- a/drivers/misc/mic/scif/scif_dma.c
+++ b/drivers/misc/mic/scif/scif_dma.c
@@ -74,11 +74,6 @@ struct scif_copy_work {
 	bool ordered;
 };
 
-#ifndef list_entry_next
-#define list_entry_next(pos, member) \
-	list_entry(pos->member.next, typeof(*pos), member)
-#endif
-
 /**
  * scif_reserve_dma_chan:
  * @ep: Endpoint Descriptor.
@@ -851,7 +846,7 @@ static void scif_rma_local_cpu_copy(s64 offset, struct scif_window *window,
 		(window->nr_pages << PAGE_SHIFT);
 	while (rem_len) {
 		if (offset == end_offset) {
-			window = list_entry_next(window, list);
+			window = list_next_entry(window, list);
 			end_offset = window->offset +
 				(window->nr_pages << PAGE_SHIFT);
 		}
@@ -957,7 +952,7 @@ scif_rma_list_dma_copy_unaligned(struct scif_copy_work *work,
 	remaining_len -= tail_len;
 	while (remaining_len) {
 		if (offset == end_offset) {
-			window = list_entry_next(window, list);
+			window = list_next_entry(window, list);
 			end_offset = window->offset +
 				(window->nr_pages << PAGE_SHIFT);
 		}
@@ -1064,7 +1059,7 @@ scif_rma_list_dma_copy_unaligned(struct scif_copy_work *work,
 	}
 	if (tail_len) {
 		if (offset == end_offset) {
-			window = list_entry_next(window, list);
+			window = list_next_entry(window, list);
 			end_offset = window->offset +
 				(window->nr_pages << PAGE_SHIFT);
 		}
@@ -1147,13 +1142,13 @@ static int _scif_rma_list_dma_copy_aligned(struct scif_copy_work *work,
 		(dst_window->nr_pages << PAGE_SHIFT);
 	while (remaining_len) {
 		if (src_offset == end_src_offset) {
-			src_window = list_entry_next(src_window, list);
+			src_window = list_next_entry(src_window, list);
 			end_src_offset = src_window->offset +
 				(src_window->nr_pages << PAGE_SHIFT);
 			scif_init_window_iter(src_window, &src_win_iter);
 		}
 		if (dst_offset == end_dst_offset) {
-			dst_window = list_entry_next(dst_window, list);
+			dst_window = list_next_entry(dst_window, list);
 			end_dst_offset = dst_window->offset +
 				(dst_window->nr_pages << PAGE_SHIFT);
 			scif_init_window_iter(dst_window, &dst_win_iter);
@@ -1314,13 +1309,13 @@ static int scif_rma_list_dma_copy_aligned(struct scif_copy_work *work,
 	remaining_len -= tail_len;
 	while (remaining_len) {
 		if (src_offset == end_src_offset) {
-			src_window = list_entry_next(src_window, list);
+			src_window = list_next_entry(src_window, list);
 			end_src_offset = src_window->offset +
 				(src_window->nr_pages << PAGE_SHIFT);
 			scif_init_window_iter(src_window, &src_win_iter);
 		}
 		if (dst_offset == end_dst_offset) {
-			dst_window = list_entry_next(dst_window, list);
+			dst_window = list_next_entry(dst_window, list);
 			end_dst_offset = dst_window->offset +
 				(dst_window->nr_pages << PAGE_SHIFT);
 			scif_init_window_iter(dst_window, &dst_win_iter);
@@ -1405,9 +1400,9 @@ static int scif_rma_list_dma_copy_aligned(struct scif_copy_work *work,
 	if (remaining_len) {
 		loop_len = remaining_len;
 		if (src_offset == end_src_offset)
-			src_window = list_entry_next(src_window, list);
+			src_window = list_next_entry(src_window, list);
 		if (dst_offset == end_dst_offset)
-			dst_window = list_entry_next(dst_window, list);
+			dst_window = list_next_entry(dst_window, list);
 
 		src_dma_addr = __scif_off_to_dma_addr(src_window, src_offset);
 		dst_dma_addr = __scif_off_to_dma_addr(dst_window, dst_offset);
@@ -1550,12 +1545,12 @@ static int scif_rma_list_cpu_copy(struct scif_copy_work *work)
 			end_dst_offset = dst_window->offset +
 				(dst_window->nr_pages << PAGE_SHIFT);
 			if (src_offset == end_src_offset) {
-				src_window = list_entry_next(src_window, list);
+				src_window = list_next_entry(src_window, list);
 				scif_init_window_iter(src_window,
 						      &src_win_iter);
 			}
 			if (dst_offset == end_dst_offset) {
-				dst_window = list_entry_next(dst_window, list);
+				dst_window = list_next_entry(dst_window, list);
 				scif_init_window_iter(dst_window,
 						      &dst_win_iter);
 			}
-- 
2.5.0


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