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SubjectRe: [PATCH] net/bluetooth: Change to use DEFINE_SHOW_ATTRIBUTE macro
On Mon, Nov 5, 2018 at 6:56 AM Yangtao Li <tiny.windzz@gmail.com> wrote:
>
> Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
>
> Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>

Reviewed-by: Kees Cook <keescook@chromium.org>

-Kees

> ---
> net/bluetooth/l2cap_core.c | 12 +-----------
> net/bluetooth/rfcomm/core.c | 12 +-----------
> net/bluetooth/rfcomm/sock.c | 12 +-----------
> net/bluetooth/sco.c | 12 +-----------
> 4 files changed, 4 insertions(+), 44 deletions(-)
>
> diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
> index d17a4736e47c..38d92ced5fb5 100644
> --- a/net/bluetooth/l2cap_core.c
> +++ b/net/bluetooth/l2cap_core.c
> @@ -7615,17 +7615,7 @@ static int l2cap_debugfs_show(struct seq_file *f, void *p)
> return 0;
> }
>
> -static int l2cap_debugfs_open(struct inode *inode, struct file *file)
> -{
> - return single_open(file, l2cap_debugfs_show, inode->i_private);
> -}
> -
> -static const struct file_operations l2cap_debugfs_fops = {
> - .open = l2cap_debugfs_open,
> - .read = seq_read,
> - .llseek = seq_lseek,
> - .release = single_release,
> -};
> +DEFINE_SHOW_ATTRIBUTE(l2cap_debugfs);
>
> static struct dentry *l2cap_debugfs;
>
> diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
> index b98225d65e87..1a635df80643 100644
> --- a/net/bluetooth/rfcomm/core.c
> +++ b/net/bluetooth/rfcomm/core.c
> @@ -2166,17 +2166,7 @@ static int rfcomm_dlc_debugfs_show(struct seq_file *f, void *x)
> return 0;
> }
>
> -static int rfcomm_dlc_debugfs_open(struct inode *inode, struct file *file)
> -{
> - return single_open(file, rfcomm_dlc_debugfs_show, inode->i_private);
> -}
> -
> -static const struct file_operations rfcomm_dlc_debugfs_fops = {
> - .open = rfcomm_dlc_debugfs_open,
> - .read = seq_read,
> - .llseek = seq_lseek,
> - .release = single_release,
> -};
> +DEFINE_SHOW_ATTRIBUTE(rfcomm_dlc_debugfs);
>
> static struct dentry *rfcomm_dlc_debugfs;
>
> diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
> index d606e9212291..aa0db1d1bd9b 100644
> --- a/net/bluetooth/rfcomm/sock.c
> +++ b/net/bluetooth/rfcomm/sock.c
> @@ -1020,17 +1020,7 @@ static int rfcomm_sock_debugfs_show(struct seq_file *f, void *p)
> return 0;
> }
>
> -static int rfcomm_sock_debugfs_open(struct inode *inode, struct file *file)
> -{
> - return single_open(file, rfcomm_sock_debugfs_show, inode->i_private);
> -}
> -
> -static const struct file_operations rfcomm_sock_debugfs_fops = {
> - .open = rfcomm_sock_debugfs_open,
> - .read = seq_read,
> - .llseek = seq_lseek,
> - .release = single_release,
> -};
> +DEFINE_SHOW_ATTRIBUTE(rfcomm_sock_debugfs);
>
> static struct dentry *rfcomm_sock_debugfs;
>
> diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
> index 8f0f9279eac9..529b38996d8b 100644
> --- a/net/bluetooth/sco.c
> +++ b/net/bluetooth/sco.c
> @@ -1173,17 +1173,7 @@ static int sco_debugfs_show(struct seq_file *f, void *p)
> return 0;
> }
>
> -static int sco_debugfs_open(struct inode *inode, struct file *file)
> -{
> - return single_open(file, sco_debugfs_show, inode->i_private);
> -}
> -
> -static const struct file_operations sco_debugfs_fops = {
> - .open = sco_debugfs_open,
> - .read = seq_read,
> - .llseek = seq_lseek,
> - .release = single_release,
> -};
> +DEFINE_SHOW_ATTRIBUTE(sco_debugfs);
>
> static struct dentry *sco_debugfs;
>
> --
> 2.17.0
>


--
Kees Cook

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