From 4903ab0c83f033424879ba7435668f9ebe14f641 Mon Sep 17 00:00:00 2001 From: Vasileios Almpanis Date: Tue, 30 Jun 2026 15:35:21 +0200 Subject: [PATCH] futex: Remove unnecessary NULL check before kvfree() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The NULL check before kvfree() is unnecessary and triggers a Coccinelle warning, since kvfree() handles NULL arguments internally. Reported by ifnullfree.cocci Coccinelle semantic patch script. Signed-off-by: Vasileios Almpanis Signed-off-by: Thomas Gleixner Reviewed-by: André Almeida Link: https://patch.msgid.link/20260630133530.2577832-1-vasilisalmpanis@gmail.com --- kernel/futex/core.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/kernel/futex/core.c b/kernel/futex/core.c index 179b26e9c934..233b926f5624 100644 --- a/kernel/futex/core.c +++ b/kernel/futex/core.c @@ -1746,8 +1746,7 @@ void futex_hash_free(struct mm_struct *mm) free_percpu(mm->futex.phash.ref); kvfree(mm->futex.phash.hash_new); fph = rcu_dereference_raw(mm->futex.phash.hash); - if (fph) - kvfree(fph); + kvfree(fph); } static bool futex_pivot_pending(struct mm_struct *mm)