diff options
| -rw-r--r-- | fs/stat.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/stat.c b/fs/stat.c index d22199527880..14f45459c83d 100644 --- a/fs/stat.c +++ b/fs/stat.c @@ -300,11 +300,13 @@ SYSCALL_DEFINE4(readlinkat, int, dfd, const char __user *, pathname, struct path path; int error; int empty = 0; + unsigned int lookup_flags = LOOKUP_EMPTY; if (bufsiz <= 0) return -EINVAL; - error = user_path_at_empty(dfd, pathname, LOOKUP_EMPTY, &path, &empty); +retry: + error = user_path_at_empty(dfd, pathname, lookup_flags, &path, &empty); if (!error) { struct inode *inode = path.dentry->d_inode; @@ -318,6 +320,10 @@ SYSCALL_DEFINE4(readlinkat, int, dfd, const char __user *, pathname, } } path_put(&path); + if (retry_estale(error, lookup_flags)) { + lookup_flags |= LOOKUP_REVAL; + goto retry; + } } return error; } |