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-rw-r--r--fs/open.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/open.c b/fs/open.c
index 99c3ce5f897b..9b33c0cbfacf 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -582,6 +582,7 @@ SYSCALL_DEFINE5(fchownat, int, dfd, const char __user *, filename, uid_t, user,
lookup_flags = (flag & AT_SYMLINK_NOFOLLOW) ? 0 : LOOKUP_FOLLOW;
if (flag & AT_EMPTY_PATH)
lookup_flags |= LOOKUP_EMPTY;
+retry:
error = user_path_at(dfd, filename, lookup_flags, &path);
if (error)
goto out;
@@ -592,6 +593,10 @@ SYSCALL_DEFINE5(fchownat, int, dfd, const char __user *, filename, uid_t, user,
mnt_drop_write(path.mnt);
out_release:
path_put(&path);
+ if (retry_estale(error, lookup_flags)) {
+ lookup_flags |= LOOKUP_REVAL;
+ goto retry;
+ }
out:
return error;
}