On Mon, Sep 19, 2016 at 2:38 PM, Arnd Bergmann <a...@arndb.de> wrote:
> If the call to ovl_copy_up() fails, we now call revert_creds on
> an uninitialized structure after a recent patch, as found
> by "gcc -Wmayby-uninitialized":
> fs/overlayfs/inode.c: In function 'ovl_open_maybe_copy_up':
> fs/overlayfs/inode.c:39:2: error: 'old_cred' may be used uninitialized in 
> this function [-Werror=maybe-uninitialized]
> fs/overlayfs/inode.c:22:21: note: 'old_cred' was declared here
> This changes the code back to not call revert_creds unless
> we have already called ovl_override_creds().

Thanks.   Slightly reworked fix folded into original patch and pushed out.


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