| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <1436964152-11203-5-git-send-email-jack@suse.com>
Date: Wed, 15 Jul 2015 14:42:30 +0200
From: Jan Kara <jack@...e.com>
To: linux-fsdevel@...r.kernel.org
Cc: linux-ext4@...r.kernel.org, ocfs2-devel@....oracle.com,
Mark Fasheh <mfasheh@...e.com>,
Dave Kleikamp <shaggy@...nel.org>,
jfs-discussion@...ts.sourceforge.net,
reiserfs-devel@...r.kernel.org, Jan Kara <jack@...e.com>
Subject: [PATCH 4/6] ocfs2: Handle error from dquot_initialize()
dquot_initialize() can now return error. Handle it where possible.
Signed-off-by: Jan Kara <jack@...e.com>
---
fs/ocfs2/file.c | 14 ++++++++----
fs/ocfs2/namei.c | 59 +++++++++++++++++++++++++++++++++++++------------
fs/ocfs2/refcounttree.c | 5 +++--
3 files changed, 58 insertions(+), 20 deletions(-)
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 4d9e8275ed99..7210583b472f 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -105,8 +105,11 @@ static int ocfs2_file_open(struct inode *inode, struct file *file)
file->f_path.dentry->d_name.len,
file->f_path.dentry->d_name.name, mode);
- if (file->f_mode & FMODE_WRITE)
- dquot_initialize(inode);
+ if (file->f_mode & FMODE_WRITE) {
+ status = dquot_initialize(inode);
+ if (status)
+ goto leave;
+ }
spin_lock(&oi->ip_lock);
@@ -1155,8 +1158,11 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
if (status)
return status;
- if (is_quota_modification(inode, attr))
- dquot_initialize(inode);
+ if (is_quota_modification(inode, attr)) {
+ status = dquot_initialize(inode);
+ if (status)
+ return status;
+ }
size_change = S_ISREG(inode->i_mode) && attr->ia_valid & ATTR_SIZE;
if (size_change) {
status = ocfs2_rw_lock(inode, 1);
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 6e6abb93fda5..948681e37cfd 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -200,11 +200,12 @@ bail:
static struct inode *ocfs2_get_init_inode(struct inode *dir, umode_t mode)
{
struct inode *inode;
+ int status;
inode = new_inode(dir->i_sb);
if (!inode) {
mlog(ML_ERROR, "new_inode failed!\n");
- return NULL;
+ return ERR_PTR(-ENOMEM);
}
/* populate as many fields early on as possible - many of
@@ -213,7 +214,10 @@ static struct inode *ocfs2_get_init_inode(struct inode *dir, umode_t mode)
if (S_ISDIR(mode))
set_nlink(inode, 2);
inode_init_owner(inode, dir, mode);
- dquot_initialize(inode);
+ status = dquot_initialize(inode);
+ if (status)
+ return ERR_PTR(status);
+
return inode;
}
@@ -264,7 +268,11 @@ static int ocfs2_mknod(struct inode *dir,
(unsigned long long)OCFS2_I(dir)->ip_blkno,
(unsigned long)dev, mode);
- dquot_initialize(dir);
+ status = dquot_initialize(dir);
+ if (status) {
+ mlog_errno(status);
+ return status;
+ }
/* get our super block */
osb = OCFS2_SB(dir->i_sb);
@@ -311,8 +319,9 @@ static int ocfs2_mknod(struct inode *dir,
}
inode = ocfs2_get_init_inode(dir, mode);
- if (!inode) {
- status = -ENOMEM;
+ if (IS_ERR(inode)) {
+ status = PTR_ERR(inode);
+ inode = NULL;
mlog_errno(status);
goto leave;
}
@@ -708,7 +717,11 @@ static int ocfs2_link(struct dentry *old_dentry,
if (S_ISDIR(inode->i_mode))
return -EPERM;
- dquot_initialize(dir);
+ err = dquot_initialize(dir);
+ if (err) {
+ mlog_errno(err);
+ return err;
+ }
err = ocfs2_double_lock(osb, &old_dir_bh, old_dir,
&parent_fe_bh, dir, 0);
@@ -896,7 +909,11 @@ static int ocfs2_unlink(struct inode *dir,
(unsigned long long)OCFS2_I(dir)->ip_blkno,
(unsigned long long)OCFS2_I(inode)->ip_blkno);
- dquot_initialize(dir);
+ status = dquot_initialize(dir);
+ if (status) {
+ mlog_errno(status);
+ return status;
+ }
BUG_ON(d_inode(dentry->d_parent) != dir);
@@ -1230,8 +1247,16 @@ static int ocfs2_rename(struct inode *old_dir,
old_dentry->d_name.len, old_dentry->d_name.name,
new_dentry->d_name.len, new_dentry->d_name.name);
- dquot_initialize(old_dir);
- dquot_initialize(new_dir);
+ status = dquot_initialize(old_dir);
+ if (status) {
+ mlog_errno(status);
+ goto bail;
+ }
+ status = dquot_initialize(new_dir);
+ if (status) {
+ mlog_errno(status);
+ goto bail;
+ }
osb = OCFS2_SB(old_dir->i_sb);
@@ -1786,7 +1811,11 @@ static int ocfs2_symlink(struct inode *dir,
trace_ocfs2_symlink_begin(dir, dentry, symname,
dentry->d_name.len, dentry->d_name.name);
- dquot_initialize(dir);
+ status = dquot_initialize(dir);
+ if (status) {
+ mlog_errno(status);
+ goto bail;
+ }
sb = dir->i_sb;
osb = OCFS2_SB(sb);
@@ -1831,8 +1860,9 @@ static int ocfs2_symlink(struct inode *dir,
}
inode = ocfs2_get_init_inode(dir, S_IFLNK | S_IRWXUGO);
- if (!inode) {
- status = -ENOMEM;
+ if (IS_ERR(inode)) {
+ status = PTR_ERR(inode);
+ inode = NULL;
mlog_errno(status);
goto bail;
}
@@ -2485,8 +2515,9 @@ int ocfs2_create_inode_in_orphan(struct inode *dir,
}
inode = ocfs2_get_init_inode(dir, mode);
- if (!inode) {
- status = -ENOMEM;
+ if (IS_ERR(inode)) {
+ status = PTR_ERR(inode);
+ inode = NULL;
mlog_errno(status);
goto leave;
}
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index b69dd14c0b9b..7dc818b87cd8 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -4419,8 +4419,9 @@ static int ocfs2_vfs_reflink(struct dentry *old_dentry, struct inode *dir,
}
mutex_lock(&inode->i_mutex);
- dquot_initialize(dir);
- error = ocfs2_reflink(old_dentry, dir, new_dentry, preserve);
+ error = dquot_initialize(dir);
+ if (!error)
+ error = ocfs2_reflink(old_dentry, dir, new_dentry, preserve);
mutex_unlock(&inode->i_mutex);
if (!error)
fsnotify_create(dir, new_dentry);
--
2.1.4
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists