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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Todd Kjos <tkjos@google.com>
Cc: gregkh@linuxfoundation.org, christian@brauner.io,
	arve@android.com, devel@driverdev.osuosl.org,
	linux-kernel@vger.kernel.org, maco@google.com,
	joel@joelfernandes.org, kernel-team@android.com
Subject: Re: [PATCH 3/3] binder: defer copies of pre-patched txn data
Date: Wed, 24 Nov 2021 15:43:13 +0300	[thread overview]
Message-ID: <20211124124313.GH6514@kadam> (raw)
In-Reply-To: <20211123191737.1296541-4-tkjos@google.com>

On Tue, Nov 23, 2021 at 11:17:37AM -0800, Todd Kjos wrote:
> +static int binder_do_deferred_txn_copies(struct binder_alloc *alloc,
> +					 struct binder_buffer *buffer,
> +					 struct list_head *sgc_head,
> +					 struct list_head *pf_head)
> +{
> +	int ret = 0;
> +	struct list_head *entry, *tmp;
> +	struct binder_ptr_fixup *pf =
> +		list_first_entry_or_null(pf_head, struct binder_ptr_fixup,
> +					 node);
> +
> +	list_for_each_safe(entry, tmp, sgc_head) {
        ^^^^^^^^^^^^^^^^^^^
All the list_for_each() loops can be changed to list_for_each_entry().


	list_for_each_entry_safe(sgc, tmp, sgc_head, node) {

regards,
dan carpenter



> +		size_t bytes_copied = 0;
> +		struct binder_sg_copy *sgc =
> +			container_of(entry, struct binder_sg_copy, node);
> +


  parent reply	other threads:[~2021-11-24 12:46 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-23 19:17 [PATCH 0/3] binder: Prevent untranslated sender data from being copied to target Todd Kjos
2021-11-23 19:17 ` [PATCH 1/3] binder: avoid potential data leakage when copying txn Todd Kjos
2021-11-24  7:50   ` Martijn Coenen
2021-11-24 13:01   ` Dan Carpenter
2021-11-24 20:11     ` Todd Kjos
2021-11-25  2:05   ` kernel test robot
2021-11-25 12:18   ` kernel test robot
2021-11-23 19:17 ` [PATCH 2/3] binder: read pre-translated fds from sender buffer Todd Kjos
2021-11-24  7:50   ` Martijn Coenen
2021-11-24 12:37   ` Dan Carpenter
2021-11-24 20:33     ` Todd Kjos
2021-11-25  6:37       ` Dan Carpenter
2021-11-23 19:17 ` [PATCH 3/3] binder: defer copies of pre-patched txn data Todd Kjos
2021-11-24  7:50   ` Martijn Coenen
2021-11-24 11:09   ` Dan Carpenter
2021-11-24 20:39     ` Todd Kjos
2021-11-24 12:43   ` Dan Carpenter [this message]
2021-11-24 20:37     ` Todd Kjos
2021-11-24  8:08 ` [PATCH 0/3] binder: Prevent untranslated sender data from being copied to target Greg KH
2021-11-24 15:54   ` Todd Kjos

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