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Message-ID: <7c6d14f3-0453-af11-de07-db937c49e60e@suse.com>
Date: Tue, 25 Jul 2023 12:00:52 +0200
From: Oliver Neukum <oneukum@...e.com>
To: Wesley Cheng <quic_wcheng@...cinc.com>, agross@...nel.org,
andersson@...nel.org, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
catalin.marinas@....com, will@...nel.org, mathias.nyman@...el.com,
gregkh@...uxfoundation.org, lgirdwood@...il.com,
broonie@...nel.org, perex@...ex.cz, tiwai@...e.com,
srinivas.kandagatla@...aro.org, bgoswami@...cinc.com,
Thinh.Nguyen@...opsys.com
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-usb@...r.kernel.org, alsa-devel@...a-project.org,
quic_jackp@...cinc.com, pierre-louis.bossart@...ux.intel.com,
oneukum@...e.com, albertccwang@...gle.com, o-takashi@...amocchi.jp,
Mathias Nyman <mathias.nyman@...ux.intel.com>
Subject: Re: [PATCH v4 01/32] xhci: add support to allocate several
interrupters
On 25.07.23 04:33, Wesley Cheng wrote:
Hi,
this is more of a stylistic remark, but this:
[..]
> + /* Find available secondary interrupter, interrupter 0 is reserverd for primary */
> + for (i = 1; i < xhci->max_interrupters; i++) {
> + if (xhci->interrupters[i] == NULL) {
> + err = xhci_add_interrupter(xhci, ir, i);
> + break;
> + }
> + }
> +
> + spin_unlock_irq(&xhci->lock);
> +
> + if (!err) {
Making the non error case a conditional return is ...
> + xhci_dbg(xhci, "Add secondary interrupter %d, max interrupters %d\n",
> + i, xhci->max_interrupters);
> + return ir;
> + }
> +
> + xhci_warn(xhci, "Failed to add secondary interrupter, max interrupters %d\n",
> + xhci->max_interrupters);
> +
> + xhci_free_interrupter(xhci, ir);
> +
> + return NULL;
> +}
Was this taken out of a style guide that teaches to avoid "goto"
at any cost?
Regards
Oliver
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