linux-kernel - Re: [PATCH] eCryptfs: Cocci spatch "memdup.spatch"

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Date:	Sun, 2 Jun 2013 19:47:47 -0700
From:	Tyler Hicks <tyhicks@...onical.com>
To:	Thomas Meyer <thomas@...3r.de>
Cc:	ecryptfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] eCryptfs: Cocci spatch "memdup.spatch"

On 2013-06-01 11:39:36, Thomas Meyer wrote:
> 
> Signed-off-by: Thomas Meyer <thomas@...3r.de>
> ---

Thanks Thomas - I've pushed this to my next branch.

Tyler

> 
> diff -u -p a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c
> --- a/fs/ecryptfs/messaging.c
> +++ b/fs/ecryptfs/messaging.c
> @@ -247,14 +247,13 @@ int ecryptfs_process_response(struct ecr
>  		goto unlock;
>  	}
>  	msg_size = (sizeof(*msg) + msg->data_len);
> -	msg_ctx->msg = kmalloc(msg_size, GFP_KERNEL);
> +	msg_ctx->msg = kmemdup(msg, msg_size, GFP_KERNEL);
>  	if (!msg_ctx->msg) {
>  		rc = -ENOMEM;
>  		printk(KERN_ERR "%s: Failed to allocate [%zd] bytes of "
>  		       "GFP_KERNEL memory\n", __func__, msg_size);
>  		goto unlock;
>  	}
> -	memcpy(msg_ctx->msg, msg, msg_size);
>  	msg_ctx->state = ECRYPTFS_MSG_CTX_STATE_DONE;
>  	wake_up_process(msg_ctx->task);
>  	rc = 0;
> 
> 
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