diff options
Diffstat (limited to 'fs/open.c')
| -rw-r--r-- | fs/open.c | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/fs/open.c b/fs/open.c index 669ba0dd666..e3441f58d2e 100644 --- a/fs/open.c +++ b/fs/open.c @@ -243,7 +243,7 @@ SYSCALL_ALIAS(sys_ftruncate64, SyS_ftruncate64); int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len) { - struct inode *inode = file->f_path.dentry->d_inode; + struct inode *inode = file_inode(file); long ret; if (offset < 0 || len <= 0) @@ -441,7 +441,7 @@ SYSCALL_DEFINE1(fchdir, unsigned int, fd) if (!f.file) goto out; - inode = f.file->f_path.dentry->d_inode; + inode = file_inode(f.file); error = -ENOTDIR; if (!S_ISDIR(inode->i_mode)) @@ -704,7 +704,7 @@ static int do_dentry_open(struct file *f, f->f_mode = FMODE_PATH; path_get(&f->f_path); - inode = f->f_path.dentry->d_inode; + inode = file_inode(f); if (f->f_mode & FMODE_WRITE) { error = __get_file_write_access(inode, f->f_path.mnt); if (error) @@ -714,7 +714,6 @@ static int do_dentry_open(struct file *f, } f->f_mapping = inode->i_mapping; - f->f_pos = 0; file_sb_list_add(f, inode->i_sb); if (unlikely(f->f_mode & FMODE_PATH)) { @@ -825,23 +824,22 @@ struct file *dentry_open(const struct path *path, int flags, /* We must always pass in a valid mount pointer. */ BUG_ON(!path->mnt); - error = -ENFILE; f = get_empty_filp(); - if (f == NULL) - return ERR_PTR(error); - - f->f_flags = flags; - f->f_path = *path; - error = do_dentry_open(f, NULL, cred); - if (!error) { - error = open_check_o_direct(f); - if (error) { - fput(f); + if (!IS_ERR(f)) { + f->f_flags = flags; + f->f_path = *path; + error = do_dentry_open(f, NULL, cred); + if (!error) { + /* from now on we need fput() to dispose of f */ + error = open_check_o_direct(f); + if (error) { + fput(f); + f = ERR_PTR(error); + } + } else { + put_filp(f); f = ERR_PTR(error); } - } else { - put_filp(f); - f = ERR_PTR(error); } return f; } |