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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/pipe.c
parent322ee5b36eac42e762526b0df7fa432beba6e7a0 (diff)
downloadop-kernel-dev-430e285e0817e3e18aadd814bc078d50d8af0cbf.zip
op-kernel-dev-430e285e0817e3e18aadd814bc078d50d8af0cbf.tar.gz
[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/pipe.c')
-rw-r--r--fs/pipe.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/fs/pipe.c b/fs/pipe.c
index 3c185b6..8be381b 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -957,13 +957,10 @@ struct file *create_write_pipe(void)
struct dentry *dentry;
struct qstr name = { .name = "" };
- f = get_empty_filp();
- if (!f)
- return ERR_PTR(-ENFILE);
err = -ENFILE;
inode = get_pipe_inode();
if (!inode)
- goto err_file;
+ goto err;
err = -ENOMEM;
dentry = d_alloc(pipe_mnt->mnt_sb->s_root, &name);
@@ -978,22 +975,24 @@ struct file *create_write_pipe(void)
*/
dentry->d_flags &= ~DCACHE_UNHASHED;
d_instantiate(dentry, inode);
- f->f_path.mnt = mntget(pipe_mnt);
- f->f_path.dentry = dentry;
+
+ err = -ENFILE;
+ f = alloc_file(pipe_mnt, dentry, FMODE_WRITE, &write_pipe_fops);
+ if (!f)
+ goto err_dentry;
f->f_mapping = inode->i_mapping;
f->f_flags = O_WRONLY;
- f->f_op = &write_pipe_fops;
- f->f_mode = FMODE_WRITE;
f->f_version = 0;
return f;
+ err_dentry:
+ dput(dentry);
err_inode:
free_pipe_info(inode);
iput(inode);
- err_file:
- put_filp(f);
+ err:
return ERR_PTR(err);
}
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