The patch titled Subject: mm: filemap: remove unnecessary iitialization of ret has been added to the -mm mm-unstable branch. Its filename is =utf-8qmm-=20filemap-=20remove=20unnecessary=20=-=utf-8q=e2=80=980=e2=80=99=20values=20from=20ret=.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/=utf-8qmm-=20filemap-=20remove=20unnecessary=20=-=utf-8q=e2=80=980=e2=80=99=20values=20from=20ret=.patch This patch will later appear in the mm-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: Li zeming <zeming@xxxxxxxxxxxx> Subject: mm: filemap: remove unnecessary iitialization of ret Date: Tue, 5 Dec 2023 10:29:54 +0800 The ret variable can be defined without assigning a value, as it is assigned before use. Link: https://lkml.kernel.org/r/20231205022954.101045-1-zeming@xxxxxxxxxxxx Signed-off-by: Li zeming <zeming@xxxxxxxxxxxx> Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/filemap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/filemap.c~=utf-8qmm-=20filemap-=20remove=20unnecessary=20=-=utf-8q=e2=80=980=e2=80=99=20values=20from=20ret= +++ a/mm/filemap.c @@ -1623,7 +1623,7 @@ EXPORT_SYMBOL_GPL(__folio_lock_killable) static int __folio_lock_async(struct folio *folio, struct wait_page_queue *wait) { struct wait_queue_head *q = folio_waitqueue(folio); - int ret = 0; + int ret; wait->folio = folio; wait->bit_nr = PG_locked; _ Patches currently in -mm which might be from zeming@xxxxxxxxxxxx are =utf-8qmm-=20filemap-=20remove=20unnecessary=20=-=utf-8q=e2=80=980=e2=80=99=20values=20from=20ret=.patch