Re: [PATCH] proc: Remove cast from memory allocation

[Kees Cook]

On Tue, Feb 21, 2017 at 10:42 PM, Tobin C. Harding <me@xxxxxxxx> wrote:
> Coccinelle emits WARNING: casting value returned by memory allocation
> function to (struct proc_inode *) is useless.
>
> Remove unnecessary cast.
>
> Signed-off-by: Tobin C. Harding <me@xxxxxxxx>

Acked-by: Kees Cook <keescook@xxxxxxxxxxxx>

-Kees

> ---
>  fs/proc/inode.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/proc/inode.c b/fs/proc/inode.c
> index 842a5ff..1eb2326 100644
> --- a/fs/proc/inode.c
> +++ b/fs/proc/inode.c
> @@ -57,7 +57,7 @@ static struct inode *proc_alloc_inode(struct super_block *sb)
>         struct proc_inode *ei;
>         struct inode *inode;
>
> -       ei = (struct proc_inode *)kmem_cache_alloc(proc_inode_cachep, GFP_KERNEL);
> +       ei = kmem_cache_alloc(proc_inode_cachep, GFP_KERNEL);
>         if (!ei)
>                 return NULL;
>         ei->pid = NULL;
> --
> 2.7.4
>



-- 
Kees Cook
Pixel Security