convert do_sys_truncate() to getname()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/open.c b/fs/open.c
index 885a88a..64b3d49 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -122,22 +122,25 @@ EXPORT_SYMBOL_GPL(vfs_truncate);
long do_sys_truncate(const char __user *pathname, loff_t length)
{
unsigned int lookup_flags = LOOKUP_FOLLOW;
+ struct filename *name;
struct path path;
int error;
if (length < 0) /* sorry, but loff_t says... */
return -EINVAL;
+ name = getname(pathname);
retry:
- error = user_path_at(AT_FDCWD, pathname, lookup_flags, &path);
+ error = filename_lookup(AT_FDCWD, name, lookup_flags, &path, NULL);
if (!error) {
error = vfs_truncate(&path, length);
path_put(&path);
+ if (retry_estale(error, lookup_flags)) {
+ lookup_flags |= LOOKUP_REVAL;
+ goto retry;
+ }
}
- if (retry_estale(error, lookup_flags)) {
- lookup_flags |= LOOKUP_REVAL;
- goto retry;
- }
+ putname(name);
return error;
}
