Re: linux-next: build failure after merge of the ntfs tree
From: Namjae Jeon
Date: Fri Jul 31 2026 - 10:05:22 EST
On Fri, Jul 31, 2026 at 10:50 PM Mark Brown <broonie@xxxxxxxxxx> wrote:
>
> 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 used uninitialized whenever 'if' condition is true [-Werror,-Wsometimes-uninitialized]
> 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 condition is always false
> 183 | if (!NInoAttrList(ni) || !ni->attr_list) {
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 184 | err = -ENOENT;
> | ~~~~~~~~~~~~~~
> 185 | goto err_out;
> | ~~~~~~~~~~~~~
> 186 | }
> | ~
> /tmp/next/build/fs/ntfs/attrlist.c:183:6: error: variable 'new_al' is used uninitialized whenever '||' condition is true [-Werror,-Wsometimes-uninitialized]
> 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 condition 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;
> | ^
> | = NULL
> 2 errors generated.
>
> Caused by commit
>
> 57ad655524e85 (ntfs: protect attribute-list buffer replacement with attr_list_persist_lock)
>
> I have used the tree from next-20260730 instead.
Okay, I will fix them.
Thanks!