From 9401a795c6478953e10226471ba5990db5000e05 Mon Sep 17 00:00:00 2001 From: Taesoo Kim Date: Wed, 25 Mar 2015 09:53:37 +0100 Subject: [PATCH] UBIFS: fix incorrect unlocking handling MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit When ubifs_init_security() fails, 'ui_mutex' is incorrectly unlocked and incorrectly restores 'i_size'. Fix this. Signed-off-by: Taesoo Kim Fixes: d7f0b70d30ff ("UBIFS: Add security.* XATTR support for the UBIFS") Reviewed-by: Ben Shelton Signed-off-by: Uwe Kleine-König Signed-off-by: Artem Bityutskiy --- fs/ubifs/dir.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c index 0fa6c803992e..5b24bc42cad9 100644 --- a/fs/ubifs/dir.c +++ b/fs/ubifs/dir.c @@ -272,7 +272,7 @@ static int ubifs_create(struct inode *dir, struct dentry *dentry, umode_t mode, err = ubifs_init_security(dir, inode, &dentry->d_name); if (err) - goto out_cancel; + goto out_inode; mutex_lock(&dir_ui->ui_mutex); dir->i_size += sz_change; @@ -292,6 +292,7 @@ out_cancel: dir->i_size -= sz_change; dir_ui->ui_size = dir->i_size; mutex_unlock(&dir_ui->ui_mutex); +out_inode: make_bad_inode(inode); iput(inode); out_budg: @@ -732,7 +733,7 @@ static int ubifs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) err = ubifs_init_security(dir, inode, &dentry->d_name); if (err) - goto out_cancel; + goto out_inode; mutex_lock(&dir_ui->ui_mutex); insert_inode_hash(inode); @@ -757,6 +758,7 @@ out_cancel: dir_ui->ui_size = dir->i_size; drop_nlink(dir); mutex_unlock(&dir_ui->ui_mutex); +out_inode: make_bad_inode(inode); iput(inode); out_budg: @@ -816,7 +818,7 @@ static int ubifs_mknod(struct inode *dir, struct dentry *dentry, err = ubifs_init_security(dir, inode, &dentry->d_name); if (err) - goto out_cancel; + goto out_inode; mutex_lock(&dir_ui->ui_mutex); dir->i_size += sz_change; @@ -836,6 +838,7 @@ out_cancel: dir->i_size -= sz_change; dir_ui->ui_size = dir->i_size; mutex_unlock(&dir_ui->ui_mutex); +out_inode: make_bad_inode(inode); iput(inode); out_budg: @@ -896,7 +899,7 @@ static int ubifs_symlink(struct inode *dir, struct dentry *dentry, err = ubifs_init_security(dir, inode, &dentry->d_name); if (err) - goto out_cancel; + goto out_inode; mutex_lock(&dir_ui->ui_mutex); dir->i_size += sz_change; -- 2.20.1