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From: Greg KH <gregkh@linuxfoundation.org>
To: Clint George <clintbgeorge@gmail.com>
Cc: stern@rowland.harvard.edu, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org, david.hunter.linux@gmail.com,
	linux-kernel-mentees@lists.linux.dev, skhan@linuxfoundation.org,
	khalid@kernel.org
Subject: Re: [PATCH 7/8] usb: gadget: dummy_hcd: remove unnecessary 'else' after return
Date: Wed, 19 Nov 2025 16:25:44 +0100	[thread overview]
Message-ID: <2025111941-okay-dry-1b18@gregkh> (raw)
In-Reply-To: <20251119130840.14309-8-clintbgeorge@gmail.com>

On Wed, Nov 19, 2025 at 06:38:39PM +0530, Clint George wrote:
> The 'else' after a return statement is redundant and unnecessary.
> This patch removes the 'else' in dummy_set_halt_and_wedge(), making
> the code clearer and compliant with kernel coding style:
> 
> - Return early for the -EAGAIN condition.
> - Place the subsequent code at the same indentation level instead
>   of inside an 'else' block.

When you have to list different things in a commit changelog, that is a
HUGE hint it should be multiple patches :(

> 
> Signed-off-by: Clint George <clintbgeorge@gmail.com>
> ---
>  drivers/usb/gadget/udc/dummy_hcd.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
> index 1840dd822..1114dfe61 100644
> --- a/drivers/usb/gadget/udc/dummy_hcd.c
> +++ b/drivers/usb/gadget/udc/dummy_hcd.c
> @@ -803,10 +803,10 @@ dummy_set_halt_and_wedge(struct usb_ep *_ep, int value, int wedged)
>  		return -ESHUTDOWN;
>  	if (!value)
>  		ep->halted = ep->wedged = 0;
> -	else if (ep->desc && (ep->desc->bEndpointAddress & USB_DIR_IN) &&
> -			!list_empty(&ep->queue))
> -		return -EAGAIN;
>  	else {
> +		if (ep->desc && (ep->desc->bEndpointAddress & USB_DIR_IN) &&
> +			!list_empty(&ep->queue))
> +			return -EAGAIN;

Wait, what?  Why move this around like this, the original is best and
makes more sense.  This version is much harder to read :(

thanks,

greg k-h

  reply	other threads:[~2025-11-19 15:25 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-19 13:08 [PATCH 0/8] usb: gadget: dummy_hcd: coding style improvements and error handling change Clint George
2025-11-19 13:08 ` [PATCH 1/8] usb: gadget: dummy_hcd: replace BUG() with WARN_ON_ONCE() Clint George
2025-11-19 15:27   ` Greg KH
2025-11-19 13:08 ` [PATCH 2/8] usb: gadget: dummy_hcd: replace symbolic permissions (S_IRUGO) with octal (0444) Clint George
2025-11-19 13:08 ` [PATCH 3/8] usb: gadget: dummy_hcd: use 'unsigned int' instead of bare 'unsigned' Clint George
2025-11-19 13:08 ` [PATCH 4/8] usb: gadget: dummy_hcd: fix block comments, blank lines and function braces Clint George
2025-11-19 15:29   ` Greg KH
2025-11-19 15:36     ` Alan Stern
2025-11-19 13:08 ` [PATCH 5/8] usb: gadget: dummy_hcd: merge multi-line quoted strings into one line Clint George
2025-11-19 13:08 ` [PATCH 6/8] usb: gadget: dummy_hcd: use sizeof(*ptr) instead of sizeof *ptr Clint George
2025-11-19 13:08 ` [PATCH 7/8] usb: gadget: dummy_hcd: remove unnecessary 'else' after return Clint George
2025-11-19 15:25   ` Greg KH [this message]
2025-11-19 13:08 ` [PATCH 8/8] usb: gadget: dummy_hcd: fix miscellaneous coding style warnings Clint George
2025-11-27 20:35 ` [PATCH 0/8] usb: gadget: dummy_hcd: coding style improvements and error handling change David Hunter
2025-12-01 20:37 ` [PATCH v2 0/6] usb: gadget: dummy_hcd: coding style improvements Clint George
2025-12-01 20:37   ` [PATCH v2 1/6] usb: gadget: dummy_hcd: replace symbolic permissions (S_IRUGO) with octal (0444) Clint George
2025-12-01 20:37   ` [PATCH v2 2/6] usb: gadget: dummy_hcd: use 'unsigned int' instead of bare 'unsigned' Clint George
2025-12-02  5:29     ` Greg KH
2025-12-01 20:37   ` [PATCH v2 3/6] usb: gadget: dummy_hcd: document ISO endpoint allocation pattern Clint George
2025-12-01 20:37   ` [PATCH v2 4/6] usb: gadget: dummy_hcd: use sizeof(*ptr) instead of sizeof *ptr Clint George
2025-12-01 20:37   ` [PATCH v2 5/6] usb: gadget: dummy_hcd: remove unnecessary parentheses Clint George
2025-12-01 20:37   ` [PATCH v2 6/6] usb: gadget: dummy_hcd: move function braces Clint George
2025-12-02  5:27   ` [PATCH v2 0/6] usb: gadget: dummy_hcd: coding style improvements Greg KH
2025-12-02 15:53     ` Alan Stern
2025-12-02 16:28       ` Robert P. J. Day
2025-12-04  1:01         ` David Hunter
2025-12-04  0:52       ` David Hunter
2025-12-04  0:43   ` David Hunter

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