linux-kernel - [PATCH] scatterlist.h: Change CONFIG_DEBUG_SG for ifdef statement in sg_set

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Date:	Sat,  2 Aug 2014 22:56:13 -0400
From:	Nicholas Krause <xerofoify@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	linux-usb@...r.kernel.org
Subject: [PATCH] scatterlist.h: Change CONFIG_DEBUG_SG for ifdef statement in sg_set_bf

This changes the ifdef statement in sg_set_bg to !CONFIG_DEBUG_SG in order
to avoid a bug with xhci dequence/enquence functions.

Signed-off-by: Nicholas Krause <xerofoify@...il.com>
---
 include/linux/scatterlist.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h
index adae88f..62de7b3 100644
--- a/include/linux/scatterlist.h
+++ b/include/linux/scatterlist.h
@@ -111,7 +111,7 @@ static inline struct page *sg_page(struct scatterlist *sg)
 static inline void sg_set_buf(struct scatterlist *sg, const void *buf,
 			      unsigned int buflen)
 {
-#ifdef CONFIG_DEBUG_SG
+#ifdef !CONFIG_DEBUG_SG
 	BUG_ON(!virt_addr_valid(buf));
 #endif
 	sg_set_page(sg, virt_to_page(buf), buflen, offset_in_page(buf));
--
1.9.1

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