linux-kernel - Re: Linux 2.6.32.31

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Date:	Thu, 3 Mar 2011 09:04:01 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	torvalds@...ux-foundation.org, stable@...nel.org, lwn@....net
Subject: Re: Linux 2.6.32.31

diff --git a/Makefile b/Makefile
index 1e5c60f..e734450 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 32
-EXTRAVERSION = .30
+EXTRAVERSION = .31
 NAME = Man-Eating Seals of Antiquity
 
 # *DOCUMENTATION*
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 7740ee8..ac25cd2 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -631,10 +631,8 @@ dma_addr_t swiotlb_map_page(struct device *dev, struct page *page,
 	/*
 	 * Ensure that the address returned is DMA'ble
 	 */
-	if (!dma_capable(dev, dev_addr, size)) {
-		swiotlb_tbl_unmap_single(dev, map, size, dir);
-		dev_addr = swiotlb_virt_to_bus(dev, io_tlb_overflow_buffer);
-	}
+	if (!dma_capable(dev, dev_addr, size))
+		panic("map_single: bounce buffer is not DMA'ble");
 
 	return dev_addr;
 }
--
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