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From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Kris Borer <kborer@gmail.com>, gregkh@linuxfoundation.org
Cc: stern@rowland.harvard.edu, balbi@ti.com, pmladek@suse.cz,
	antoine.tenart@free-electrons.com, hdegoede@redhat.com,
	rafael.j.wysocki@intel.com, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] usb: move assignment out of if condition
Date: Tue, 30 Jun 2015 16:35:11 +0300	[thread overview]
Message-ID: <55929B0F.6060309@cogentembedded.com> (raw)
In-Reply-To: <1435669342-8333-1-git-send-email-kborer@gmail.com>

Hello.

On 6/30/2015 4:02 PM, Kris Borer wrote:

> Fix four occurrences of the checkpatch.pl error:

> ERROR: do not use assignment in if condition

> Signed-off-by: Kris Borer <kborer@gmail.com>
> ---
>   drivers/usb/core/hcd.c | 13 ++++++++-----
>   1 file changed, 8 insertions(+), 5 deletions(-)

> diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
> index be5b207..e268c45 100644
> --- a/drivers/usb/core/hcd.c
> +++ b/drivers/usb/core/hcd.c
[...]
> @@ -2734,7 +2735,8 @@ int usb_add_hcd(struct usb_hcd *hcd,
>   	/* "reset" is misnamed; its role is now one-time init. the controller
>   	 * should already have been reset (and boot firmware kicked off etc).
>   	 */
> -	if (hcd->driver->reset && (retval = hcd->driver->reset(hcd)) < 0) {
> +	retval = hcd->driver->reset(hcd);
> +	if (hcd->driver->reset && retval < 0) {

    If hcd->driver->reset() is NULL, this change warrants a kernel oops.

[...]

WBR, Sergei


  reply	other threads:[~2015-06-30 13:35 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-30 13:02 [PATCH] usb: move assignment out of if condition Kris Borer
2015-06-30 13:35 ` Sergei Shtylyov [this message]
2015-06-30 13:35 ` Oliver Neukum
2015-06-30 15:09 ` Greg KH

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