[GFS2] Fix gfs2_block_truncate_page err return

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@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index d16044cb023a..cd805a66880d 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))