ext2: Handle error from dquot_initalize()

dquot_initialize() can now return error. Handle it where possible.

Signed-off-by: Jan Kara <jack@suse.com>

diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index 5c04a0d..efe5fb2 100644 (file)
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -577,7 +577,10 @@ got:
                goto fail;
        }
 
-       dquot_initialize(inode);
+       err = dquot_initialize(inode);
+       if (err)
+               goto fail_drop;
+
        err = dquot_alloc_inode(inode);
        if (err)
                goto fail_drop;

diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 5c09776..a3a404c 100644 (file)
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -1552,8 +1552,11 @@ int ext2_setattr(struct dentry *dentry, struct iattr *iattr)
        if (error)
                return error;
 
-       if (is_quota_modification(inode, iattr))
-               dquot_initialize(inode);
+       if (is_quota_modification(inode, iattr)) {
+               error = dquot_initialize(inode);
+               if (error)
+                       return error;
+       }
        if ((iattr->ia_valid & ATTR_UID && !uid_eq(iattr->ia_uid, inode->i_uid)) ||
            (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid))) {
                error = dquot_transfer(inode, iattr);

diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index 13ec54a..b4841e3 100644 (file)
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -96,8 +96,11 @@ struct dentry *ext2_get_parent(struct dentry *child)
 static int ext2_create (struct inode * dir, struct dentry * dentry, umode_t mode, bool excl)
 {
        struct inode *inode;
+       int err;
 
-       dquot_initialize(dir);
+       err = dquot_initialize(dir);
+       if (err)
+               return err;
 
        inode = ext2_new_inode(dir, mode, &dentry->d_name);
        if (IS_ERR(inode))
@@ -143,7 +146,9 @@ static int ext2_mknod (struct inode * dir, struct dentry *dentry, umode_t mode,
        if (!new_valid_dev(rdev))
                return -EINVAL;
 
-       dquot_initialize(dir);
+       err = dquot_initialize(dir);
+       if (err)
+               return err;
 
        inode = ext2_new_inode (dir, mode, &dentry->d_name);
        err = PTR_ERR(inode);
@@ -169,7 +174,9 @@ static int ext2_symlink (struct inode * dir, struct dentry * dentry,
        if (l > sb->s_blocksize)
                goto out;
 
-       dquot_initialize(dir);
+       err = dquot_initialize(dir);
+       if (err)
+               goto out;
 
        inode = ext2_new_inode (dir, S_IFLNK | S_IRWXUGO, &dentry->d_name);
        err = PTR_ERR(inode);
@@ -212,7 +219,9 @@ static int ext2_link (struct dentry * old_dentry, struct inode * dir,
        struct inode *inode = d_inode(old_dentry);
        int err;
 
-       dquot_initialize(dir);
+       err = dquot_initialize(dir);
+       if (err)
+               return err;
 
        inode->i_ctime = CURRENT_TIME_SEC;
        inode_inc_link_count(inode);
@@ -233,7 +242,9 @@ static int ext2_mkdir(struct inode * dir, struct dentry * dentry, umode_t mode)
        struct inode * inode;
        int err;
 
-       dquot_initialize(dir);
+       err = dquot_initialize(dir);
+       if (err)
+               return err;
 
        inode_inc_link_count(dir);
 
@@ -279,13 +290,17 @@ static int ext2_unlink(struct inode * dir, struct dentry *dentry)
        struct inode * inode = d_inode(dentry);
        struct ext2_dir_entry_2 * de;
        struct page * page;
-       int err = -ENOENT;
+       int err;
 
-       dquot_initialize(dir);
+       err = dquot_initialize(dir);
+       if (err)
+               goto out;
 
        de = ext2_find_entry (dir, &dentry->d_name, &page);
-       if (!de)
+       if (!de) {
+               err = -ENOENT;
                goto out;
+       }
 
        err = ext2_delete_entry (de, page);
        if (err)
@@ -323,14 +338,21 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
        struct ext2_dir_entry_2 * dir_de = NULL;
        struct page * old_page;
        struct ext2_dir_entry_2 * old_de;
-       int err = -ENOENT;
+       int err;
+
+       err = dquot_initialize(old_dir);
+       if (err)
+               goto out;
 
-       dquot_initialize(old_dir);
-       dquot_initialize(new_dir);
+       err = dquot_initialize(new_dir);
+       if (err)
+               goto out;
 
        old_de = ext2_find_entry (old_dir, &old_dentry->d_name, &old_page);
-       if (!old_de)
+       if (!old_de) {
+               err = -ENOENT;
                goto out;
+       }
 
        if (S_ISDIR(old_inode->i_mode)) {
                err = -EIO;