[PATCH] [GFS2] Fix gfs2_block_truncate_page err return

[swhiteho]

From: S. Wendy Cheng <wcheng@xxxxxxxxxx>

Code segment inside gfs2_block_truncate_page() doesn't set the return
code correctly. This causes NFSD erroneously returns EIO back to client
with setattr procedure call (truncate error).

Signed-off-by: S. Wendy Cheng <wcheng@xxxxxxxxxx>
Signed-off-by: Steven Whitehouse <swhiteho@xxxxxxxxxx>

diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index d16044c..cd805a6 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -927,6 +927,7 @@ static int gfs2_block_truncate_page(struct address_space *mapping)
 		/* Uhhuh. Read error. Complain and punt. */
 		if (!buffer_uptodate(bh))
 			goto unlock;
+		err = 0;
 	}
 
 	if (sdp->sd_args.ar_data == GFS2_DATA_ORDERED || gfs2_is_jdata(ip))
-- 
1.5.1.2

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