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-rw-r--r--fs/jffs2/readinode.c23
1 files changed, 9 insertions, 14 deletions
diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c
index f461604cf01f..bd31d4956c6d 100644
--- a/fs/jffs2/readinode.c
+++ b/fs/jffs2/readinode.c
@@ -221,7 +221,7 @@ static int jffs2_add_tn_to_tree(struct jffs2_sb_info *c,
221 uint32_t fn_end = tn->fn->ofs + tn->fn->size; 221 uint32_t fn_end = tn->fn->ofs + tn->fn->size;
222 struct jffs2_tmp_dnode_info *this; 222 struct jffs2_tmp_dnode_info *this;
223 223
224 dbg_readinode("insert fragment %#04x-%#04x, ver %u\n", tn->fn->ofs, fn_end, tn->version); 224 dbg_readinode("insert fragment %#04x-%#04x, ver %u at %08x\n", tn->fn->ofs, fn_end, tn->version, ref_offset(tn->fn->raw));
225 225
226 /* If a node has zero dsize, we only have to keep if it if it might be the 226 /* If a node has zero dsize, we only have to keep if it if it might be the
227 node with highest version -- i.e. the one which will end up as f->metadata. 227 node with highest version -- i.e. the one which will end up as f->metadata.
@@ -271,11 +271,11 @@ static int jffs2_add_tn_to_tree(struct jffs2_sb_info *c,
271 return 0; 271 return 0;
272 } else { 272 } else {
273 /* Who cares if the new one is good; keep it for now anyway. */ 273 /* Who cares if the new one is good; keep it for now anyway. */
274 dbg_readinode("Like new node. Throw away old\n");
274 rb_replace_node(&this->rb, &tn->rb, &rii->tn_root); 275 rb_replace_node(&this->rb, &tn->rb, &rii->tn_root);
275 /* Same overlapping from in front and behind */
276 jffs2_kill_tn(c, this); 276 jffs2_kill_tn(c, this);
277 dbg_readinode("Like new node. Throw away old\n"); 277 /* Same overlapping from in front and behind */
278 goto calc_overlaps; 278 return 0;
279 } 279 }
280 } 280 }
281 if (this->version < tn->version && 281 if (this->version < tn->version &&
@@ -287,11 +287,7 @@ static int jffs2_add_tn_to_tree(struct jffs2_sb_info *c,
287 jffs2_kill_tn(c, tn); 287 jffs2_kill_tn(c, tn);
288 return 0; 288 return 0;
289 } 289 }
290 /* ... and is good. Kill 'this'... */ 290 /* ... and is good. Kill 'this' and any subsequent nodes which are also overlapped */
291 rb_replace_node(&this->rb, &tn->rb, &rii->tn_root);
292 jffs2_kill_tn(c, this);
293 /* ... and any subsequent nodes which are also overlapped */
294 this = tn_next(tn);
295 while (this && this->fn->ofs + this->fn->size < fn_end) { 291 while (this && this->fn->ofs + this->fn->size < fn_end) {
296 struct jffs2_tmp_dnode_info *next = tn_next(this); 292 struct jffs2_tmp_dnode_info *next = tn_next(this);
297 if (this->version < tn->version) { 293 if (this->version < tn->version) {
@@ -303,8 +299,8 @@ static int jffs2_add_tn_to_tree(struct jffs2_sb_info *c,
303 } 299 }
304 this = next; 300 this = next;
305 } 301 }
306 dbg_readinode("Done inserting new\n"); 302 dbg_readinode("Done killing overlapped nodes\n");
307 goto calc_overlaps; 303 break;
308 } 304 }
309 if (this->version > tn->version && 305 if (this->version > tn->version &&
310 this->fn->ofs <= tn->fn->ofs && 306 this->fn->ofs <= tn->fn->ofs &&
@@ -316,11 +312,10 @@ static int jffs2_add_tn_to_tree(struct jffs2_sb_info *c,
316 return 0; 312 return 0;
317 } 313 }
318 /* ... but 'this' was bad. Replace it... */ 314 /* ... but 'this' was bad. Replace it... */
319 tn->overlapped = this->overlapped;
320 rb_replace_node(&this->rb, &tn->rb, &rii->tn_root);
321 dbg_readinode("Bad CRC on old overlapping node. Kill it\n"); 315 dbg_readinode("Bad CRC on old overlapping node. Kill it\n");
316 tn_erase(this, &rii->tn_root);
322 jffs2_kill_tn(c, this); 317 jffs2_kill_tn(c, this);
323 return 0; 318 break;
324 } 319 }
325 320
326 this = tn_next(this); 321 this = tn_next(this);