diff options
| -rw-r--r-- | fs/open.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/open.c b/fs/open.c index c819bbdab47f..07449b911a4d 100644 --- a/fs/open.c +++ b/fs/open.c @@ -115,17 +115,23 @@ EXPORT_SYMBOL_GPL(vfs_truncate); static long do_sys_truncate(const char __user *pathname, loff_t length) { + unsigned int lookup_flags = LOOKUP_FOLLOW; struct path path; int error; if (length < 0) /* sorry, but loff_t says... */ return -EINVAL; - error = user_path(pathname, &path); +retry: + error = user_path_at(AT_FDCWD, pathname, lookup_flags, &path); if (!error) { error = vfs_truncate(&path, length); path_put(&path); } + if (retry_estale(error, lookup_flags)) { + lookup_flags |= LOOKUP_REVAL; + goto retry; + } return error; } |