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SubjectRe: [PATCH] powerpc: Remove double free
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kobject_put() released index_dir->kobj

but who will release 'index' ?

Christophe

Le 15/05/2019 à 11:07, Tobin C. Harding a écrit :
> kfree() after kobject_put(). Who ever wrote this was on crack.
>
> Fixes: 7e8039795a80 ("powerpc/cacheinfo: Fix kobject memleak")
> Signed-off-by: Tobin C. Harding <tobin@kernel.org>
> ---
>
> FTR
>
> git log --pretty=format:"%h%x09%an%x09%ad%x09%s" | grep 7e8039795a80
> 7e8039795a80 Tobin C. Harding Tue Apr 30 11:09:23 2019 +1000 powerpc/cacheinfo: Fix kobject memleak
>
> arch/powerpc/kernel/cacheinfo.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/arch/powerpc/kernel/cacheinfo.c b/arch/powerpc/kernel/cacheinfo.c
> index f2ed3ef4b129..862e2890bd3d 100644
> --- a/arch/powerpc/kernel/cacheinfo.c
> +++ b/arch/powerpc/kernel/cacheinfo.c
> @@ -767,7 +767,6 @@ static void cacheinfo_create_index_dir(struct cache *cache, int index,
> cache_dir->kobj, "index%d", index);
> if (rc) {
> kobject_put(&index_dir->kobj);
> - kfree(index_dir);
> return;
> }
>
>

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