From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robert Richter Subject: Re: [PATCH] net-thunder: One check less in nicvf_register_interrupts() after error detection Date: Thu, 7 Jan 2016 12:07:01 +0100 Message-ID: <20160107110701.GE25086@rric.localdomain> References: <566ABCD9.1060404@users.sourceforge.net> <5685A273.6070607@users.sourceforge.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sunil Goutham , LKML , kernel-janitors@vger.kernel.org, Julia Lawall To: SF Markus Elfring Return-path: Content-Disposition: inline In-Reply-To: <5685A273.6070607@users.sourceforge.net> Sender: kernel-janitors-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On 31.12.15 22:47:31, SF Markus Elfring wrote: > From: Markus Elfring > Date: Thu, 31 Dec 2015 22:40:39 +0100 > > Adjust a jump target to eliminate a check before error logging. > Use the identifier "report_failure" instead of "err". I don't see much value in those changes. Using the 'err' label is ok as it is not misleading and common use. And, there is no need to optimize the check since this is not the fast path and will be compiler optimized anyway. So let's keep the code as it is with the flavor of the original author. -Robert > > Signed-off-by: Markus Elfring > --- > drivers/net/ethernet/cavium/thunder/nicvf_main.c | 15 +++++++-------- > 1 file changed, 7 insertions(+), 8 deletions(-) > > diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c > index c24cb2a..21e1579 100644 > --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c > +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c > @@ -922,7 +922,7 @@ static int nicvf_register_interrupts(struct nicvf *nic) > ret = request_irq(vector, nicvf_intr_handler, > 0, nic->irq_name[irq], nic->napi[irq]); > if (ret) > - goto err; > + goto report_failure; > nic->irq_allocated[irq] = true; > } > > @@ -933,7 +933,7 @@ static int nicvf_register_interrupts(struct nicvf *nic) > ret = request_irq(vector, nicvf_rbdr_intr_handler, > 0, nic->irq_name[irq], nic); > if (ret) > - goto err; > + goto report_failure; > nic->irq_allocated[irq] = true; > } > > @@ -944,13 +944,12 @@ static int nicvf_register_interrupts(struct nicvf *nic) > ret = request_irq(nic->msix_entries[irq].vector, > nicvf_qs_err_intr_handler, > 0, nic->irq_name[irq], nic); > - if (!ret) > + if (!ret) { > nic->irq_allocated[irq] = true; > - > -err: > - if (ret) > - netdev_err(nic->netdev, "request_irq failed, vector %d\n", irq); > - > + return 0; > + } > +report_failure: > + netdev_err(nic->netdev, "request_irq failed, vector %d\n", irq); > return ret; > }