openwrt/package/kernel/mac80211/patches/rt2x00/011-cross-tree-phase-out-dma_zalloc_coherent.patch

From 750afb08ca71310fcf0c4e2cb1565c63b8235b60 Mon Sep 17 00:00:00 2001
From: Luis Chamberlain <[email protected]>
Date: Fri, 4 Jan 2019 09:23:09 +0100
Subject: [PATCH 11/28] cross-tree: phase out dma_zalloc_coherent()

We already need to zero out memory for dma_alloc_coherent(), as such
using dma_zalloc_coherent() is superflous. Phase it out.

This change was generated with the following Coccinelle SmPL patch:

@ replace_dma_zalloc_coherent @
expression dev, size, data, handle, flags;
@@

-dma_zalloc_coherent(dev, size, handle, flags)
+dma_alloc_coherent(dev, size, handle, flags)

Suggested-by: Christoph Hellwig <[email protected]>
Signed-off-by: Luis Chamberlain <[email protected]>
[hch: re-ran the script on the latest tree]
Signed-off-by: Christoph Hellwig <[email protected]>
---
 drivers/net/wireless/ralink/rt2x00/rt2x00mmio.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/drivers/net/wireless/ralink/rt2x00/rt2x00mmio.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00mmio.c
@@ -119,9 +119,9 @@ static int rt2x00mmio_alloc_queue_dma(st
 	/*
 	 * Allocate DMA memory for descriptor and buffer.
 	 */
-	addr = dma_zalloc_coherent(rt2x00dev->dev,
-				   queue->limit * queue->desc_size, &dma,
-				   GFP_KERNEL);
+	addr = dma_alloc_coherent(rt2x00dev->dev,
+				  queue->limit * queue->desc_size, &dma,
+				  GFP_KERNEL);
 	if (!addr)
 		return -ENOMEM;