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authorDave Hansen <haveblue@us.ibm.com>2008-02-15 14:37:26 -0800
committerAl Viro <viro@zeniv.linux.org.uk>2008-03-19 06:54:05 -0400
commit430e285e0817e3e18aadd814bc078d50d8af0cbf (patch)
treecbd008864e18e76a7e2984bfd1898028762fd19a /fs/anon_inodes.c
parent322ee5b36eac42e762526b0df7fa432beba6e7a0 (diff)
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[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.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index 23321889d9b..f42be069e08 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);