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Wysocki" Cc: Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Nayna Jain , Srish Srinivasan , Mimi Zohar , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Juergen Gross , Stefano Stabellini , Oleksandr Tyshchenko , Nathan Chancellor , Nick Desaulniers , Viresh Kumar , Zhongqiu Han , Alexander Aring , Felix Kuehling , "=?UTF-8?q?Christian=20K=C3=B6nig?=" , Zhihao Cheng , Sumanth Korikkar , Bill Wendling , Justin Stitt , driver-core@lists.linux.dev, llvm@lists.linux.dev, linux-hardening@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org, linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org, linux-s390@vger.kernel.org, gfs2@lists.linux.dev, xen-devel@lists.xenproject.org, linux-mtd@lists.infradead.org, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Ian Rogers Content-Type: text/plain; charset="UTF-8" In sq_dev_add(), sq_kobject[cpu] is dynamically allocated with kzalloc_obj() and initialized with ktype_percpu_entry. When sq_dev_remove() calls kobject_put(kobj), the kobject is never freed because ktype_percpu_entry lacks a .release callback. Provide a sq_kobj_release() callback that calls kfree(kobj). Fixes: d7c30c682a27 ("sh: Store Queue API rework.") Signed-off-by: Ian Rogers --- arch/sh/kernel/cpu/sh4/sq.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/sh/kernel/cpu/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c index 908a8e09113b..f33864958487 100644 --- a/arch/sh/kernel/cpu/sh4/sq.c +++ b/arch/sh/kernel/cpu/sh4/sq.c @@ -331,7 +331,13 @@ static const struct sysfs_ops sq_sysfs_ops = { .store = sq_sysfs_store, }; +static void sq_kobj_release(struct kobject *kobj) +{ + kfree(kobj); +} + static struct kobj_type ktype_percpu_entry = { + .release = sq_kobj_release, .sysfs_ops = &sq_sysfs_ops, .default_groups = sq_sysfs_groups, }; -- 2.56.0.455.g6c5a503b38-goog