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kill the last users of user_{path,lpath,path_dir}() 

old wrappers with few callers remaining; put them out of their misery...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2019-07-14 16:42:44 -04:00
parent 6b61aed06a
commit ce6595a28a
4 changed files with 8 additions and 25 deletions
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7
fs/coda/pioctl.c
View File

@ -63,11 +63,8 @@ static long coda_pioctl(struct file *filp, unsigned int cmd,
* Look up the pathname. Note that the pathname is in
* user memory, and namei takes care of this
*/
if (data.follow)
error = user_path(data.path, &path);
else
error = user_lpath(data.path, &path);
error = user_path_at(AT_FDCWD, data.path,
data.follow ? LOOKUP_FOLLOW : 0, &path);
if (error)
return error;

8
fs/namespace.c
View File

@ -3044,7 +3044,7 @@ long do_mount(const char *dev_name, const char __user *dir_name,
return -EINVAL;
/* ... and get the mountpoint */
retval = user_path(dir_name, &path);
retval = user_path_at(AT_FDCWD, dir_name, LOOKUP_FOLLOW, &path);
if (retval)
return retval;
@ -3591,11 +3591,13 @@ SYSCALL_DEFINE2(pivot_root, const char __user *, new_root,
if (!may_mount())
return -EPERM;
error = user_path_dir(new_root, &new);
error = user_path_at(AT_FDCWD, new_root,
LOOKUP_FOLLOW | LOOKUP_DIRECTORY, &new);
if (error)
goto out0;
error = user_path_dir(put_old, &old);
error = user_path_at(AT_FDCWD, put_old,
LOOKUP_FOLLOW | LOOKUP_DIRECTORY, &old);
if (error)
goto out1;

2
fs/xfs/xfs_ioctl.c
View File

@ -67,7 +67,7 @@ xfs_find_handle(
return -EBADF;
inode = file_inode(f.file);
} else {
error = user_lpath((const char __user *)hreq->path, &path);
error = user_path_at(AT_FDCWD, hreq->path, 0, &path);
if (error)
return error;
inode = d_inode(path.dentry);

16
include/linux/namei.h
View File

@ -48,22 +48,6 @@ static inline int user_path_at(int dfd, const char __user *name, unsigned flags,
return user_path_at_empty(dfd, name, flags, path, NULL);
}
static inline int user_path(const char __user *name, struct path *path)
{
return user_path_at_empty(AT_FDCWD, name, LOOKUP_FOLLOW, path, NULL);
}
static inline int user_lpath(const char __user *name, struct path *path)
{
return user_path_at_empty(AT_FDCWD, name, 0, path, NULL);
}
static inline int user_path_dir(const char __user *name, struct path *path)
{
return user_path_at_empty(AT_FDCWD, name,
LOOKUP_FOLLOW | LOOKUP_DIRECTORY, path, NULL);
}
extern int kern_path(const char *, unsigned, struct path *);
extern struct dentry *kern_path_create(int, const char *, struct path *, unsigned int);