@@ -389,6 +389,9 @@ out:
ubifs_dump_budg(c, &c->bi);
ubifs_dump_lprops(c);
cmt_retries = dbg_check_lprops(c);
+ if (cmt_retries)
+ ubifs_err("fail to check lprops, error %d",
+ cmt_retries);
up_write(&c->commit_sem);
}
return err;
@@ -1464,7 +1464,6 @@ struct ubifs_lprops *ubifs_lpt_lookup(struct ubifs_info *c, int lnum)
return ERR_CAST(nnode);
}
iip = ((i >> shft) & (UBIFS_LPT_FANOUT - 1));
- shft -= UBIFS_LPT_FANOUT_SHIFT;
pnode = ubifs_get_pnode(c, nnode, iip);
if (IS_ERR(pnode))
return ERR_CAST(pnode);
@@ -1604,7 +1603,6 @@ struct ubifs_lprops *ubifs_lpt_lookup_dirty(struct ubifs_info *c, int lnum)
return ERR_CAST(nnode);
}
iip = ((i >> shft) & (UBIFS_LPT_FANOUT - 1));
- shft -= UBIFS_LPT_FANOUT_SHIFT;
pnode = ubifs_get_pnode(c, nnode, iip);
if (IS_ERR(pnode))
return ERR_CAST(pnode);
@@ -1964,7 +1962,6 @@ again:
}
}
iip = ((i >> shft) & (UBIFS_LPT_FANOUT - 1));
- shft -= UBIFS_LPT_FANOUT_SHIFT;
pnode = scan_get_pnode(c, path + h, nnode, iip);
if (IS_ERR(pnode)) {
err = PTR_ERR(pnode);
@@ -2198,6 +2195,7 @@ static int dbg_chk_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
lprops->dirty);
return -EINVAL;
}
+ break;
case LPROPS_FREEABLE:
case LPROPS_FRDI_IDX:
if (lprops->free + lprops->dirty != c->leb_size) {
@@ -2206,6 +2204,7 @@ static int dbg_chk_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
lprops->dirty);
return -EINVAL;
}
+ break;
}
}
return 0;
@@ -304,7 +304,6 @@ static int layout_cnodes(struct ubifs_info *c)
ubifs_assert(lnum >= c->lpt_first &&
lnum <= c->lpt_last);
}
- done_ltab = 1;
c->ltab_lnum = lnum;
c->ltab_offs = offs;
offs += c->ltab_sz;
@@ -514,7 +513,6 @@ static int write_cnodes(struct ubifs_info *c)
if (err)
return err;
}
- done_ltab = 1;
ubifs_pack_ltab(c, buf + offs, c->ltab_cmt);
offs += c->ltab_sz;
dbg_chk_lpt_sz(c, 1, c->ltab_sz);
@@ -1941,6 +1939,11 @@ static void dump_lpt_leb(const struct ubifs_info *c, int lnum)
pr_err("LEB %d:%d, nnode, ",
lnum, offs);
err = ubifs_unpack_nnode(c, p, &nnode);
+ if (err) {
+ pr_err("fail to unpack_nnode, error %d\n",
+ err);
+ break;
+ }
for (i = 0; i < UBIFS_LPT_FANOUT; i++) {
pr_cont("%d:%d", nnode.nbranch[i].lnum,
nnode.nbranch[i].offs);
@@ -346,7 +346,6 @@ static int write_orph_nodes(struct ubifs_info *c, int atomic)
int lnum;
/* Unmap any unused LEBs after consolidation */
- lnum = c->ohead_lnum + 1;
for (lnum = c->ohead_lnum + 1; lnum <= c->orph_last; lnum++) {
err = ubifs_leb_unmap(c, lnum);
if (err)
@@ -332,6 +332,8 @@ static int create_default_filesystem(struct ubifs_info *c)
cs->ch.node_type = UBIFS_CS_NODE;
err = ubifs_write_node(c, cs, UBIFS_CS_NODE_SZ, UBIFS_LOG_LNUM, 0);
kfree(cs);
+ if (err)
+ return err;
ubifs_msg("default file-system created");
return 0;
@@ -447,7 +449,7 @@ static int validate_sb(struct ubifs_info *c, struct ubifs_sb_node *sup)
goto failed;
}
- if (c->default_compr < 0 || c->default_compr >= UBIFS_COMPR_TYPES_CNT) {
+ if (c->default_compr >= UBIFS_COMPR_TYPES_CNT) {
err = 13;
goto failed;
}
@@ -75,7 +75,7 @@ static int validate_inode(struct ubifs_info *c, const struct inode *inode)
return 1;
}
- if (ui->compr_type < 0 || ui->compr_type >= UBIFS_COMPR_TYPES_CNT) {
+ if (ui->compr_type >= UBIFS_COMPR_TYPES_CNT) {
ubifs_err("unknown compression type %d", ui->compr_type);
return 2;
}
@@ -3293,7 +3293,6 @@ int dbg_check_inode_size(struct ubifs_info *c, const struct inode *inode,
goto out_unlock;
if (err) {
- err = -EINVAL;
key = &from_key;
goto out_dump;
}
@@ -389,7 +389,6 @@ static int layout_in_gaps(struct ubifs_info *c, int cnt)
ubifs_dump_lprops(c);
}
/* Try to commit anyway */
- err = 0;
break;
}
p++;
Hi Artem, With the help of Fortify, I found some problems in source code. I would like to fix them in this patch. Please help me review them! There is no need to add a return value checking in journal.c, just in order to avoid a "value never read" warning. Remove statements in other files for the same reason. Thanks! ---------------------------------------------------------- I would like to add these changes to UBIFS. They are detected by Fortify. journal.c * Add return value checking lpt.c * Remove useless statements * Add missing break lpt_commit.c * Remove useless statements * Add error handling orphan.c * Remove duplicate code sb.c * Add error handling * @default_compr should never less than zero super.c * @compr_type should never less than zero tnc.c & tnc_commit.c * Remove useless statments Signed-off-by: hujianyang <hujianyang@huawei.com> --- fs/ubifs/journal.c | 3 +++ fs/ubifs/lpt.c | 5 ++--- fs/ubifs/lpt_commit.c | 7 +++++-- fs/ubifs/orphan.c | 1 - fs/ubifs/sb.c | 4 +++- fs/ubifs/super.c | 2 +- fs/ubifs/tnc.c | 1 - fs/ubifs/tnc_commit.c | 1 - 8 files changed, 14 insertions(+), 10 deletions(-)