GFS2: return error if malloc failed in gfs2_rs_alloc()

The error code in gfs2_rs_alloc() is set to ENOMEM when error
but never be used, instead, gfs2_rs_alloc() always return 0.
Fix to return 'error'.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index d1f51fd73f86eeb6fc136e176a8cd5cbdcac2af8..70d1cd0b5f3b3fbc5c0e5cf2ac8b21d5e3c3372f 100644 (file)
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -576,7 +576,7 @@ int gfs2_rs_alloc(struct gfs2_inode *ip)
        RB_CLEAR_NODE(&ip->i_res->rs_node);
 out:
        up_write(&ip->i_rw_mutex);
-       return 0;
+       return error;
 }
 
 static void dump_rs(struct seq_file *seq, const struct gfs2_blkreserv *rs)