From: Andrew Morton <akpm@osdl.org>
Date: Tue, 23 Jan 2007 04:40:35 +0000 (-0800)
Subject: [PATCH] blockdev direct_io: fix signedness bug
X-Git-Tag: v2.6.20-rc6~43
X-Git-Url: http://git.samba.org/samba.git/?p=sfrench%2Fcifs-2.6.git;a=commitdiff_plain;h=790816dd54e22827f63c8cbb30bd623d3d45e594

[PATCH] blockdev direct_io: fix signedness bug

size_t is unsigned.  IO errors aren't getting through.

Cc: "Chen, Kenneth W" <kenneth.w.chen@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 8b18e43b82fe..da020be25dd2 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -146,7 +146,7 @@ static int blk_end_aio(struct bio *bio, unsigned int bytes_done, int error)
 		iocb->ki_nbytes = -EIO;
 
 	if (atomic_dec_and_test(bio_count)) {
-		if (iocb->ki_nbytes < 0)
+		if ((long)iocb->ki_nbytes < 0)
 			aio_complete(iocb, iocb->ki_nbytes, 0);
 		else
 			aio_complete(iocb, iocb->ki_left, 0);