Re: [V9fs-developer] [PATCH] fs/9p: Remove cast from memory allocation

From: Greg Kurz
Date: Wed Feb 22 2017 - 04:25:35 EST


On Wed, 22 Feb 2017 17:34:13 +1100
"Tobin C. Harding" <me@xxxxxxxx> wrote:

> Coccinelle emits WARNING: casting value returned by memory allocation
> function to (struct v9fs_inode *) is useless.
>
> Remove unnecessary cast.
>
> Signed-off-by: Tobin C. Harding <me@xxxxxxxx>
> ---

Reviewed-by: Greg Kurz <groug@xxxxxxxx>

> fs/9p/vfs_inode.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
> index f4f4450..462e9e4 100644
> --- a/fs/9p/vfs_inode.c
> +++ b/fs/9p/vfs_inode.c
> @@ -238,8 +238,7 @@ v9fs_blank_wstat(struct p9_wstat *wstat)
> struct inode *v9fs_alloc_inode(struct super_block *sb)
> {
> struct v9fs_inode *v9inode;
> - v9inode = (struct v9fs_inode *)kmem_cache_alloc(v9fs_inode_cache,
> - GFP_KERNEL);
> + v9inode = kmem_cache_alloc(v9fs_inode_cache, GFP_KERNEL);
> if (!v9inode)
> return NULL;
> #ifdef CONFIG_9P_FSCACHE

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