gfs2: Clean up trunc_start error path

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>

diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 8b993e4d80b2d78feb5e78c7a1f6dd56fecfecf5..0ad6d812c78b6a5aef336ecf8eab688007ccd138 100644 (file)
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -1022,7 +1022,7 @@ static int trunc_start(struct inode *inode, u64 oldsize, u64 newsize)
        struct gfs2_inode *ip = GFS2_I(inode);
        struct gfs2_sbd *sdp = GFS2_SB(inode);
        struct address_space *mapping = inode->i_mapping;
-       struct buffer_head *dibh;
+       struct buffer_head *dibh = NULL;
        int journaled = gfs2_is_jdata(ip);
        int error;
 
@@ -1045,7 +1045,7 @@ static int trunc_start(struct inode *inode, u64 oldsize, u64 newsize)
                if (newsize & (u64)(sdp->sd_sb.sb_bsize - 1)) {
                        error = gfs2_block_truncate_page(mapping, newsize);
                        if (error)
-                               goto out_brelse;
+                               goto out;
                }
                ip->i_diskflags |= GFS2_DIF_TRUNC_IN_PROG;
        }
@@ -1059,15 +1059,10 @@ static int trunc_start(struct inode *inode, u64 oldsize, u64 newsize)
        else
                truncate_pagecache(inode, newsize);
 
-       if (error) {
-               brelse(dibh);
-               return error;
-       }
-
-out_brelse:
-       brelse(dibh);
 out:
-       gfs2_trans_end(sdp);
+       brelse(dibh);
+       if (current->journal_info)
+               gfs2_trans_end(sdp);
        return error;
 }