1 files changed, 19 insertions, 15 deletions

diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c
index 3216a1f277f8..8cbfb8248025 100644
--- a/fs/ubifs/lpt_commit.c
+++ b/fs/ubifs/lpt_commit.c
@@ -229,7 +229,7 @@ static int layout_cnodes(struct ubifs_info *c)
                 while (offs + len > c->leb_size) {
                         alen = ALIGN(offs, c->min_io_size);
                         upd_ltab(c, lnum, c->leb_size - alen, alen - offs);
-                        dbg_chk_lpt_sz(c, 2, alen - offs);
+                        dbg_chk_lpt_sz(c, 2, c->leb_size - offs);
                         err = alloc_lpt_leb(c, &lnum);
                         if (err)
                                 goto no_space;
@@ -272,7 +272,7 @@ static int layout_cnodes(struct ubifs_info *c)
                 if (offs + c->lsave_sz > c->leb_size) {
                         alen = ALIGN(offs, c->min_io_size);
                         upd_ltab(c, lnum, c->leb_size - alen, alen - offs);
-                        dbg_chk_lpt_sz(c, 2, alen - offs);
+                        dbg_chk_lpt_sz(c, 2, c->leb_size - offs);
                         err = alloc_lpt_leb(c, &lnum);
                         if (err)
                                 goto no_space;
@@ -292,7 +292,7 @@ static int layout_cnodes(struct ubifs_info *c)
                 if (offs + c->ltab_sz > c->leb_size) {
                         alen = ALIGN(offs, c->min_io_size);
                         upd_ltab(c, lnum, c->leb_size - alen, alen - offs);
-                        dbg_chk_lpt_sz(c, 2, alen - offs);
+                        dbg_chk_lpt_sz(c, 2, c->leb_size - offs);
                         err = alloc_lpt_leb(c, &lnum);
                         if (err)
                                 goto no_space;
@@ -416,14 +416,12 @@ static int write_cnodes(struct ubifs_info *c)
                                                        alen, UBI_SHORTTERM);
                                 if (err)
                                         return err;
-                                dbg_chk_lpt_sz(c, 4, alen - wlen);
                         }
-                        dbg_chk_lpt_sz(c, 2, 0);
+                        dbg_chk_lpt_sz(c, 2, c->leb_size - offs);
                         err = realloc_lpt_leb(c, &lnum);
                         if (err)
                                 goto no_space;
-                        offs = 0;
-                        from = 0;
+                        offs = from = 0;
                         ubifs_assert(lnum >= c->lpt_first &&
                                      lnum <= c->lpt_last);
                         err = ubifs_leb_unmap(c, lnum);
@@ -477,11 +475,11 @@ static int write_cnodes(struct ubifs_info *c)
                                               UBI_SHORTTERM);
                         if (err)
                                 return err;
-                        dbg_chk_lpt_sz(c, 2, alen - wlen);
+                        dbg_chk_lpt_sz(c, 2, c->leb_size - offs);
                         err = realloc_lpt_leb(c, &lnum);
                         if (err)
                                 goto no_space;
-                        offs = 0;
+                        offs = from = 0;
                         ubifs_assert(lnum >= c->lpt_first &&
                                      lnum <= c->lpt_last);
                         err = ubifs_leb_unmap(c, lnum);
@@ -504,11 +502,11 @@ static int write_cnodes(struct ubifs_info *c)
                                               UBI_SHORTTERM);
                         if (err)
                                 return err;
-                        dbg_chk_lpt_sz(c, 2, alen - wlen);
+                        dbg_chk_lpt_sz(c, 2, c->leb_size - offs);
                         err = realloc_lpt_leb(c, &lnum);
                         if (err)
                                 goto no_space;
-                        offs = 0;
+                        offs = from = 0;
                         ubifs_assert(lnum >= c->lpt_first &&
                                      lnum <= c->lpt_last);
                         err = ubifs_leb_unmap(c, lnum);
@@ -1756,10 +1754,16 @@ int dbg_chk_lpt_free_spc(struct ubifs_info *c)
 /**
  * dbg_chk_lpt_sz - check LPT does not write more than LPT size.
  * @c: the UBIFS file-system description object
- * @action: action
+ * @action: what to do
  * @len: length written
  *
  * This function returns %0 on success and a negative error code on failure.
+ * The @action argument may be one of:
+ *   o %0 - LPT debugging checking starts, initialize debugging variables;
+ *   o %1 - wrote an LPT node, increase LPT size by @len bytes;
+ *   o %2 - switched to a different LEB and wasted @len bytes;
+ *   o %3 - check that we've written the right number of bytes.
+ *   o %4 - wasted @len bytes;
  */
 int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len)
 {
@@ -1917,12 +1921,12 @@ static void dump_lpt_leb(const struct ubifs_info *c, int lnum)
                                        lnum, offs);
                         err = ubifs_unpack_nnode(c, buf, &nnode);
                         for (i = 0; i < UBIFS_LPT_FANOUT; i++) {
-                                printk("%d:%d", nnode.nbranch[i].lnum,
+                                printk(KERN_CONT "%d:%d", nnode.nbranch[i].lnum,
                                        nnode.nbranch[i].offs);
                                 if (i != UBIFS_LPT_FANOUT - 1)
-                                        printk(", ");
+                                        printk(KERN_CONT ", ");
                         }
-                        printk("\n");
+                        printk(KERN_CONT "\n");
                         break;
                 }
                 case UBIFS_LPT_LTAB: