linux-ext4 - [PATCH-e2fsprogs] filefrag: accept positive ioctl return value

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Message-Id: <1243944761-18673-1-git-send-email-bergwolf@gmail.com>
Date:	Tue,  2 Jun 2009 20:12:41 +0800
From:	Peng Tao <bergwolf@...il.com>
To:	linux-ext4@...r.kernel.org
Cc:	tytso@....edu, Peng Tao <bergwolf@...il.com>
Subject: [PATCH-e2fsprogs] filefrag: accept positive ioctl return value

Some ioctl() returns non-negative value on success. filefrag_fiemap should
treat positive ioctl() return values as success.
This can be triggered by running filefrag on btrfs partitions.

Signed-off-by: Peng Tao <bergwolf@...il.com>
---
 misc/filefrag.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/misc/filefrag.c b/misc/filefrag.c
index 80ac05c..3dc966a 100644
--- a/misc/filefrag.c
+++ b/misc/filefrag.c
@@ -208,7 +208,7 @@ int filefrag_fiemap(int fd, int blk_shift, int *num_extents)
 				fiemap_incompat_printed = 1;
 			}
 		}
-		if (rc)
+		if (rc < 0)
 			return rc;
 
 		if (!verbose) {
-- 
1.6.2.GIT

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