Re: linux-next: build failure after merge of the ntfs tree

On Fri, Jul 31, 2026 at 10:50=E2=80=AFPM Mark Brown <[email protected]> wr=
ote:
>
> Hi all,
Hi Mark,
>
> After merging the ntfs tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> /tmp/next/build/fs/ntfs/attrlist.c:183:6: error: variable 'new_al' is use=
d uninitialized whenever 'if' condition is true [-Werror,-Wsometimes-uninit=
ialized]
>   183 |         if (!NInoAttrList(ni) || !ni->attr_list) {
>       |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> /tmp/next/build/fs/ntfs/attrlist.c:317:6: note: uninitialized use occurs =
here
>   317 |         if (new_al)
>       |             ^~~~~~
> /tmp/next/build/fs/ntfs/attrlist.c:183:2: note: remove the 'if' if its co=
ndition is always false
>   183 |         if (!NInoAttrList(ni) || !ni->attr_list) {
>       |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   184 |                 err =3D -ENOENT;
>       |                 ~~~~~~~~~~~~~~
>   185 |                 goto err_out;
>       |                 ~~~~~~~~~~~~~
>   186 |         }
>       |         ~
> /tmp/next/build/fs/ntfs/attrlist.c:183:6: error: variable 'new_al' is use=
d uninitialized whenever '||' condition is true [-Werror,-Wsometimes-uninit=
ialized]
>   183 |         if (!NInoAttrList(ni) || !ni->attr_list) {
>       |             ^~~~~~~~~~~~~~~~~
> /tmp/next/build/fs/ntfs/attrlist.c:317:6: note: uninitialized use occurs =
here
>   317 |         if (new_al)
>       |             ^~~~~~
> /tmp/next/build/fs/ntfs/attrlist.c:183:6: note: remove the '||' if its co=
ndition is always false
>   183 |         if (!NInoAttrList(ni) || !ni->attr_list) {
>       |             ^~~~~~~~~~~~~~~~~~~~
> /tmp/next/build/fs/ntfs/attrlist.c:149:12: note: initialize the variable =
'new_al' to silence this warning
>   149 |         u8 *new_al;
>       |                   ^
>       |                    =3D NULL
> 2 errors generated.
>
> Caused by commit
>
>   57ad655524e85 (ntfs: protect attribute-list buffer replacement with att=
r_list_persist_lock)
>
> I have used the tree from next-20260730 instead.
Okay, I will fix them.
Thanks!