From 108634504c7e309af9be6be17f039c8cff61bbac Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Mon, 29 Sep 2014 13:11:33 +1000
Subject: [PATCH] fstest: fix dumping of miscompare buffer

When fstests finds a miscompare it tries to dump the corrupted
bytes from the buffer, but due to an incorrect comparism actully
dumps the correct part of it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Dave Chinner <david@fromorbit.com>
---
 src/fstest.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/fstest.c b/src/fstest.c
index 2e92fd8d..f7e2d3eb 100644
--- a/src/fstest.c
+++ b/src/fstest.c
@@ -73,7 +73,7 @@ static void check_buffer(uchar *buf, int loop, int child, int fnum, int ofs)
 		for (j=0;j<MIN(20, block_size-i);j++) {
 			printf("%02x ", buf[j+i]);
 		}
-		for (j=i;buf[j] == buf2[j] && j<block_size;j++) ;
+		for (j=i;buf[j] != buf2[j] && j<block_size;j++) ;
 		printf("Corruption length: %d\n", j - i);
 		printf("\n");
 		exit(1);
-- 
2.39.5