The patch titled Subject: radix tree: remove unused variable has been added to the -mm mm-hotfixes-unstable branch. Its filename is radix-tree-remove-unused-variable.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/radix-tree-remove-unused-variable.patch This patch will later appear in the mm-hotfixes-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Arnd Bergmann <arnd@xxxxxxxx> Subject: radix tree: remove unused variable Date: Fri, 11 Aug 2023 15:10:13 +0200 Recent versions of clang warn about an unused variable, though older versions saw the 'slot++' as a use and did not warn: radix-tree.c:1136:50: error: parameter 'slot' set but not used [-Werror,-Wunused-but-set-parameter] It's clearly not needed any more, so just remove it. Link: https://lkml.kernel.org/r/20230811131023.2226509-1-arnd@xxxxxxxxxx Fixes: 3a08cd52c37c7 ("radix tree: Remove multiorder support") Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx> Cc: Nathan Chancellor <nathan@xxxxxxxxxx> Cc: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> Cc: Peng Zhang <zhangpeng.00@xxxxxxxxxxxxx> Cc: Rong Tao <rongtao@xxxxxxxx> Cc: Tom Rix <trix@xxxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- lib/radix-tree.c | 1 - 1 file changed, 1 deletion(-) --- a/lib/radix-tree.c~radix-tree-remove-unused-variable +++ a/lib/radix-tree.c @@ -1136,7 +1136,6 @@ static void set_iter_tags(struct radix_t void __rcu **radix_tree_iter_resume(void __rcu **slot, struct radix_tree_iter *iter) { - slot++; iter->index = __radix_tree_iter_add(iter, 1); iter->next_index = iter->index; iter->tags = 0; _ Patches currently in -mm which might be from arnd@xxxxxxxx are radix-tree-remove-unused-variable.patch sh-add-asm-generic-ioh-including-fix.patch iomem-remove-__weak-ioremap_cache-helper.patch gcov-shut-up-missing-prototype-warnings-for-internal-stubs.patch