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UBIFS: switch to ubifs_leb_read

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Instead of using 'ubi_read()' function directly, used the 'ubifs_leb_read()'
helper function instead. This allows to get rid of several redundant error
messages and make sure that we always have a stack dump on read errors.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Artem Bityutskiy
2011-06-03 14:03:25 +03:00
committed by Artem Bityutskiy
parent 83cef708c6
commit d304820a1f
8 changed files with 40 additions and 47 deletions
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17
fs/ubifs/lpt.c
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@@ -1222,7 +1222,7 @@ int ubifs_read_nnode(struct ubifs_info *c, struct ubifs_nnode *parent, int iip)
if (c->big_lpt)
nnode->num = calc_nnode_num_from_parent(c, parent, iip);
} else {
err = ubi_read(c->ubi, lnum, buf, offs, c->nnode_sz);
err = ubifs_leb_read(c, lnum, buf, offs, c->nnode_sz, 1);
if (err)
goto out;
err = ubifs_unpack_nnode(c, buf, nnode);
@@ -1291,7 +1291,7 @@ static int read_pnode(struct ubifs_info *c, struct ubifs_nnode *parent, int iip)
lprops->flags = ubifs_categorize_lprops(c, lprops);
}
} else {
err = ubi_read(c->ubi, lnum, buf, offs, c->pnode_sz);
err = ubifs_leb_read(c, lnum, buf, offs, c->pnode_sz, 1);
if (err)
goto out;
err = unpack_pnode(c, buf, pnode);
@@ -1333,7 +1333,7 @@ static int read_ltab(struct ubifs_info *c)
buf = vmalloc(c->ltab_sz);
if (!buf)
return -ENOMEM;
err = ubi_read(c->ubi, c->ltab_lnum, buf, c->ltab_offs, c->ltab_sz);
err = ubifs_leb_read(c, c->ltab_lnum, buf, c->ltab_offs, c->ltab_sz, 1);
if (err)
goto out;
err = unpack_ltab(c, buf);
@@ -1356,7 +1356,8 @@ static int read_lsave(struct ubifs_info *c)
buf = vmalloc(c->lsave_sz);
if (!buf)
return -ENOMEM;
err = ubi_read(c->ubi, c->lsave_lnum, buf, c->lsave_offs, c->lsave_sz);
err = ubifs_leb_read(c, c->lsave_lnum, buf, c->lsave_offs,
c->lsave_sz, 1);
if (err)
goto out;
err = unpack_lsave(c, buf);
@@ -1816,8 +1817,8 @@ static struct ubifs_nnode *scan_get_nnode(struct ubifs_info *c,
if (c->big_lpt)
nnode->num = calc_nnode_num_from_parent(c, parent, iip);
} else {
err = ubi_read(c->ubi, branch->lnum, buf, branch->offs,
c->nnode_sz);
err = ubifs_leb_read(c, branch->lnum, buf, branch->offs,
c->nnode_sz, 1);
if (err)
return ERR_PTR(err);
err = ubifs_unpack_nnode(c, buf, nnode);
@@ -1885,8 +1886,8 @@ static struct ubifs_pnode *scan_get_pnode(struct ubifs_info *c,
ubifs_assert(branch->lnum >= c->lpt_first &&
branch->lnum <= c->lpt_last);
ubifs_assert(branch->offs >= 0 && branch->offs < c->leb_size);
err = ubi_read(c->ubi, branch->lnum, buf, branch->offs,
c->pnode_sz);
err = ubifs_leb_read(c, branch->lnum, buf, branch->offs,
c->pnode_sz, 1);
if (err)
return ERR_PTR(err);
err = unpack_pnode(c, buf, pnode);