diff options
| author | Dave Hansen <haveblue@us.ibm.com> | 2008-02-15 14:37:26 -0800 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2008-03-19 06:54:05 -0400 |
| commit | 430e285e0817e3e18aadd814bc078d50d8af0cbf (patch) | |
| tree | cbd008864e18e76a7e2984bfd1898028762fd19a /fs/anon_inodes.c | |
| parent | 322ee5b36eac42e762526b0df7fa432beba6e7a0 (diff) | |
| download | linux-430e285e0817e3e18aadd814bc078d50d8af0cbf.tar.gz linux-430e285e0817e3e18aadd814bc078d50d8af0cbf.tar.bz2 linux-430e285e0817e3e18aadd814bc078d50d8af0cbf.zip | |
[PATCH] fix up new filp allocators
Some new uses of get_empty_filp() have crept in; switched
to alloc_file() to make sure that pieces of initialization
won't be missing.
We really need to kill get_empty_filp().
[AV] fixed dentry leak on failure exit in anon_inode_getfd()
Cc: Erez Zadok <ezk@cs.sunysb.edu>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: "J Bruce Fields" <bfields@fieldses.org>
Acked-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/anon_inodes.c')
| -rw-r--r-- | fs/anon_inodes.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c index 23321889d9b0..f42be069e085 100644 --- a/fs/anon_inodes.c +++ b/fs/anon_inodes.c @@ -81,13 +81,10 @@ int anon_inode_getfd(int *pfd, struct inode **pinode, struct file **pfile, if (IS_ERR(anon_inode_inode)) return -ENODEV; - file = get_empty_filp(); - if (!file) - return -ENFILE; error = get_unused_fd(); if (error < 0) - goto err_put_filp; + return error; fd = error; /* @@ -114,14 +111,15 @@ int anon_inode_getfd(int *pfd, struct inode **pinode, struct file **pfile, dentry->d_flags &= ~DCACHE_UNHASHED; d_instantiate(dentry, anon_inode_inode); - file->f_path.mnt = mntget(anon_inode_mnt); - file->f_path.dentry = dentry; + error = -ENFILE; + file = alloc_file(anon_inode_mnt, dentry, + FMODE_READ | FMODE_WRITE, fops); + if (!file) + goto err_dput; file->f_mapping = anon_inode_inode->i_mapping; file->f_pos = 0; file->f_flags = O_RDWR; - file->f_op = fops; - file->f_mode = FMODE_READ | FMODE_WRITE; file->f_version = 0; file->private_data = priv; @@ -132,10 +130,10 @@ int anon_inode_getfd(int *pfd, struct inode **pinode, struct file **pfile, *pfile = file; return 0; +err_dput: + dput(dentry); err_put_unused_fd: put_unused_fd(fd); -err_put_filp: - put_filp(file); return error; } EXPORT_SYMBOL_GPL(anon_inode_getfd); |