Re: [PATCH] ovl: fix ovl_rename error handling

From: Amir Goldstein
Date: Thu May 18 2017 - 09:57:47 EST


On Thu, May 18, 2017 at 4:34 PM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
> We try to clean up two objects before they got initialized:
>
> fs/overlayfs/dir.c: In function 'ovl_rename':
> fs/overlayfs/dir.c:1060:2: error: 'newdentry' may be used uninitialized in this function [-Werror=maybe-uninitialized]
> fs/overlayfs/dir.c:891:17: note: 'newdentry' was declared here
> fs/overlayfs/dir.c:1062:2: error: 'olddentry' may be used uninitialized in this function [-Werror=maybe-uninitialized]
> fs/overlayfs/dir.c:890:17: note: 'olddentry' was declared here
>
> Assuming that no special cleanup is required for the new code, the correct
> branch target should be "out_revert_creds" to clean up everything that
> got initialized up to then.
>

Yep, this is correct. You are the 4th to send this patch :)
Thanks