linux-kernel - [patch 1/2] vfs: fix overflow in direct-io subsystem

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Date:	Wed, 13 Oct 2010 22:45:57 +0200
From:	Edward Shishkin <edward.shishkin@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-fsdevel@...r.kernel.org
Cc:	Eric Sandeen <sandeen@...hat.com>, lmcilroy@...hat.com,
	LKML <linux-kernel@...r.kernel.org>
Subject: [patch 1/2] vfs: fix overflow in direct-io subsystem

Fix up overflow (ssize_t->int) in the direct-io subsystem.

Signed-off-by: Edward Shishkin <edward@...hat.com>
---
 fs/direct-io.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-2.6.36-rc7.orig/fs/direct-io.c
+++ linux-2.6.36-rc7/fs/direct-io.c
@@ -218,7 +218,7 @@ static struct page *dio_get_page(struct 
  * filesystems can use it to hold additional state between get_block calls and
  * dio_complete.
  */
-static int dio_complete(struct dio *dio, loff_t offset, int ret, bool is_async)
+static ssize_t dio_complete(struct dio *dio, loff_t offset, ssize_t ret, bool is_async)
 {
 	ssize_t transferred = 0;
 
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