[JFFS2] Preallocate node refs for cleanmarker in summary scan

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

diff --git a/fs/jffs2/summary.c b/fs/jffs2/summary.c
index 00e856e..51bf165 100644 (file)
--- a/fs/jffs2/summary.c
+++ b/fs/jffs2/summary.c
@@ -564,7 +564,6 @@ int jffs2_sum_scan_sumnode(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb
        struct jffs2_unknown_node crcnode;
        int ret, ofs;
        uint32_t crc;
-       int err;
 
        ofs = c->sector_size - sumsize;
 
@@ -606,16 +605,20 @@ int jffs2_sum_scan_sumnode(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb
 
                dbg_summary("Summary : CLEANMARKER node \n");
 
+               ret = jffs2_prealloc_raw_node_refs(c, jeb, 1);
+               if (ret)
+                       return ret;
+
                if (je32_to_cpu(summary->cln_mkr) != c->cleanmarker_size) {
                        dbg_summary("CLEANMARKER node has totlen 0x%x != normal 0x%x\n",
                                je32_to_cpu(summary->cln_mkr), c->cleanmarker_size);
-                       if ((err = jffs2_scan_dirty_space(c, jeb, PAD(je32_to_cpu(summary->cln_mkr)))))
-                               return err;
+                       if ((ret = jffs2_scan_dirty_space(c, jeb, PAD(je32_to_cpu(summary->cln_mkr)))))
+                               return ret;
                } else if (jeb->first_node) {
                        dbg_summary("CLEANMARKER node not first node in block "
                                        "(0x%08x)\n", jeb->offset);
-                       if ((err = jffs2_scan_dirty_space(c, jeb, PAD(je32_to_cpu(summary->cln_mkr)))))
-                               return err;
+                       if ((ret = jffs2_scan_dirty_space(c, jeb, PAD(je32_to_cpu(summary->cln_mkr)))))
+                               return ret;
                } else {
                        jffs2_link_node_ref(c, jeb, jeb->offset | REF_NORMAL,
                                            je32_to_cpu(summary->cln_mkr), NULL);