From 430e285e0817e3e18aadd814bc078d50d8af0cbf Mon Sep 17 00:00:00 2001 From: Dave Hansen Date: Fri, 15 Feb 2008 14:37:26 -0800 Subject: [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 Cc: Trond Myklebust Cc: "J Bruce Fields" Acked-by: Al Viro Signed-off-by: Christoph Hellwig Signed-off-by: Andrew Morton Signed-off-by: Dave Hansen Signed-off-by: Al Viro --- fs/anon_inodes.c | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) (limited to 'fs/anon_inodes.c') 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); -- cgit v1.2.3