diff options
| -rw-r--r-- | fs/fs_parser.c | 1 | ||||
| -rw-r--r-- | fs/namei.c | 37 |
2 files changed, 20 insertions, 18 deletions
diff --git a/fs/fs_parser.c b/fs/fs_parser.c index 980d44fd3a36..3df07c0e32b3 100644 --- a/fs/fs_parser.c +++ b/fs/fs_parser.c @@ -165,7 +165,6 @@ int fs_lookup_param(struct fs_context *fc, return invalf(fc, "%s: not usable as path", param->key); } - f->refcnt++; /* filename_lookup() drops our ref. */ ret = filename_lookup(param->dirfd, f, flags, _path, NULL); if (ret < 0) { errorf(fc, "%s: Lookup failure for '%s'", param->key, f->name); diff --git a/fs/namei.c b/fs/namei.c index 56b5860ebe32..7181b5841388 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -2467,7 +2467,7 @@ static int path_lookupat(struct nameidata *nd, unsigned flags, struct path *path return err; } -static int __filename_lookup(int dfd, struct filename *name, unsigned flags, +int filename_lookup(int dfd, struct filename *name, unsigned flags, struct path *path, struct path *root) { int retval; @@ -2488,15 +2488,6 @@ static int __filename_lookup(int dfd, struct filename *name, unsigned flags, return retval; } -int filename_lookup(int dfd, struct filename *name, unsigned flags, - struct path *path, struct path *root) -{ - int retval = __filename_lookup(dfd, name, flags, path, root); - - putname(name); - return retval; -} - /* Returns 0 and nd will be valid on success; Retuns error, otherwise. */ static int path_parentat(struct nameidata *nd, unsigned flags, struct path *parent) @@ -2573,8 +2564,12 @@ struct dentry *kern_path_locked(const char *name, struct path *path) int kern_path(const char *name, unsigned int flags, struct path *path) { - return filename_lookup(AT_FDCWD, getname_kernel(name), - flags, path, NULL); + struct filename *filename = getname_kernel(name); + int ret = filename_lookup(AT_FDCWD, filename, flags, path, NULL); + + putname(filename); + return ret; + } EXPORT_SYMBOL(kern_path); @@ -2590,10 +2585,15 @@ int vfs_path_lookup(struct dentry *dentry, struct vfsmount *mnt, const char *name, unsigned int flags, struct path *path) { + struct filename *filename; struct path root = {.mnt = mnt, .dentry = dentry}; + int ret; + + filename = getname_kernel(name); /* the first argument of filename_lookup() is ignored with root */ - return filename_lookup(AT_FDCWD, getname_kernel(name), - flags , path, &root); + ret = filename_lookup(AT_FDCWD, filename, flags, path, &root); + putname(filename); + return ret; } EXPORT_SYMBOL(vfs_path_lookup); @@ -2797,8 +2797,11 @@ int path_pts(struct path *path) int user_path_at_empty(int dfd, const char __user *name, unsigned flags, struct path *path, int *empty) { - return filename_lookup(dfd, getname_flags(name, flags, empty), - flags, path, NULL); + struct filename *filename = getname_flags(name, flags, empty); + int ret = filename_lookup(dfd, filename, flags, path, NULL); + + putname(filename); + return ret; } EXPORT_SYMBOL(user_path_at_empty); @@ -4425,7 +4428,7 @@ int do_linkat(int olddfd, struct filename *old, int newdfd, if (flags & AT_SYMLINK_FOLLOW) how |= LOOKUP_FOLLOW; retry: - error = __filename_lookup(olddfd, old, how, &old_path, NULL); + error = filename_lookup(olddfd, old, how, &old_path, NULL); if (error) goto out_putnames; |