Commit d65f5c58 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
  [PATCH] pass struct path * to do_add_mount()
  [PATCH] switch mtd and dm-table to lookup_bdev()
  [patch 3/4] vfs: remove unused nameidata argument of may_create()
  [PATCH] devpts: switch to IDA
  [PATCH 2/2] proc: switch inode number allocation to IDA
  [PATCH 1/2] proc: fix inode number bogorithmetic
  [PATCH] fix bdev leak in block_dev.c do_open()
  [PATCH] fix races and leaks in vfs_quota_on() users
  [PATCH] clean dup2() up a bit
  [PATCH] merge locate_fd() and get_unused_fd()
  [PATCH] ipv4_static_sysctl_init() should be under CONFIG_SYSCTL
  Re: BUG at security/selinux/avc.c:883 (was: Re: linux-next: Tree
parents a8086ad8 8d66bf54

drivers/md/dm-table.c

+6 −23
Original line number Diff line number Diff line
@@ -316,29 +316,12 @@ static inline int check_space(struct dm_table *t) 
 */

static int lookup_device(const char *path, dev_t *dev)

{

	int r;

	struct nameidata nd;

	struct inode *inode;



	if ((r = path_lookup(path, LOOKUP_FOLLOW, &nd)))

		return r;



	inode = nd.path.dentry->d_inode;

	if (!inode) {

		r = -ENOENT;

		goto out;

	}



	if (!S_ISBLK(inode->i_mode)) {

		r = -ENOTBLK;

		goto out;

	}



	*dev = inode->i_rdev;



 out:

	path_put(&nd.path);

	return r;

	struct block_device *bdev = lookup_bdev(path);

	if (IS_ERR(bdev))

		return PTR_ERR(bdev);

	*dev = bdev->bd_dev;

	bdput(bdev);

	return 0;

}



/*

drivers/mtd/mtdsuper.c

+11 −22
Original line number Diff line number Diff line
@@ -125,7 +125,7 @@ int get_sb_mtd(struct file_system_type *fs_type, int flags, 
	       int (*fill_super)(struct super_block *, void *, int),

	       struct vfsmount *mnt)

{

	struct nameidata nd;

	struct block_device *bdev;

	int mtdnr, ret;



	if (!dev_name)
@@ -181,29 +181,20 @@ int get_sb_mtd(struct file_system_type *fs_type, int flags, 
	/* try the old way - the hack where we allowed users to mount

	 * /dev/mtdblock$(n) but didn't actually _use_ the blockdev

	 */

	ret = path_lookup(dev_name, LOOKUP_FOLLOW, &nd);



	DEBUG(1, "MTDSB: path_lookup() returned %d, inode %p\n",

	      ret, nd.path.dentry ? nd.path.dentry->d_inode : NULL);



	if (ret)

	bdev = lookup_bdev(dev_name);

	if (IS_ERR(bdev)) {

		ret = PTR_ERR(bdev);

		DEBUG(1, "MTDSB: lookup_bdev() returned %d\n", ret);

		return ret;



	ret = -EINVAL;



	if (!S_ISBLK(nd.path.dentry->d_inode->i_mode))

		goto out;



	if (nd.path.mnt->mnt_flags & MNT_NODEV) {

		ret = -EACCES;

		goto out;

	}

	DEBUG(1, "MTDSB: lookup_bdev() returned 0\n");



	if (imajor(nd.path.dentry->d_inode) != MTD_BLOCK_MAJOR)

	ret = -EINVAL;

	if (MAJOR(bdev->bd_dev) != MTD_BLOCK_MAJOR)

		goto not_an_MTD_device;



	mtdnr = iminor(nd.path.dentry->d_inode);

	path_put(&nd.path);

	mtdnr = MINOR(bdev->bd_dev);

	bdput(bdev);



	return get_sb_mtd_nr(fs_type, flags, dev_name, data, mtdnr, fill_super,

			     mnt);
@@ -213,10 +204,8 @@ not_an_MTD_device: 
		printk(KERN_NOTICE

		       "MTD: Attempt to mount non-MTD device \"%s\"\n",

		       dev_name);

out:

	path_put(&nd.path);

	bdput(bdev);

	return ret;



}



EXPORT_SYMBOL_GPL(get_sb_mtd);

fs/afs/mntpt.c

+1 −1
Original line number Diff line number Diff line
@@ -232,7 +232,7 @@ static void *afs_mntpt_follow_link(struct dentry *dentry, struct nameidata *nd) 
	}



	mntget(newmnt);

	err = do_add_mount(newmnt, nd, MNT_SHRINKABLE, &afs_vfsmounts);

	err = do_add_mount(newmnt, &nd->path, MNT_SHRINKABLE, &afs_vfsmounts);

	switch (err) {

	case 0:

		path_put(&nd->path);

fs/block_dev.c

+4 −1
Original line number Diff line number Diff line
@@ -941,8 +941,10 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part) 
	 * hooks: /n/, see "layering violations".

	 */

	ret = devcgroup_inode_permission(bdev->bd_inode, perm);

	if (ret != 0)

	if (ret != 0) {

		bdput(bdev);

		return ret;

	}



	ret = -ENXIO;

	file->f_mapping = bdev->bd_inode->i_mapping;
@@ -1234,6 +1236,7 @@ fail: 
	bdev = ERR_PTR(error);

	goto out;

}

EXPORT_SYMBOL(lookup_bdev);



/**

 * open_bdev_excl  -  open a block device by name and set it up for use

fs/cifs/cifs_dfs_ref.c

+1 −1
Original line number Diff line number Diff line
@@ -226,7 +226,7 @@ static int add_mount_helper(struct vfsmount *newmnt, struct nameidata *nd, 
	int err;



	mntget(newmnt);

	err = do_add_mount(newmnt, nd, nd->path.mnt->mnt_flags, mntlist);

	err = do_add_mount(newmnt, &nd->path, nd->path.mnt->mnt_flags, mntlist);

	switch (err) {

	case 0:

		path_put(&nd->path);

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