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[104.188.17.28]) by smtp.gmail.com with ESMTPSA id p19sm813729pfn.19.2020.04.20.19.00.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Apr 2020 19:00:43 -0700 (PDT) Date: Mon, 20 Apr 2020 19:01:07 -0700 From: Bjorn Andersson To: Mathieu Poirier Cc: ohad@wizery.com, elder@linaro.org, s-anna@ti.com, Markus.Elfring@web.de, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 4/4] remoteproc: Get rid of tedious error path Message-ID: <20200421020107.GJ1868936@builder.lan> References: <20200420231601.16781-1-mathieu.poirier@linaro.org> <20200420231601.16781-5-mathieu.poirier@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200420231601.16781-5-mathieu.poirier@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon 20 Apr 16:16 PDT 2020, Mathieu Poirier wrote: > Get rid of tedious error management by moving firmware and operation > allocation after calling device_initialize(). That way we take advantage > of the automatic call to rproc_type_release() to cleanup after ourselves > when put_device() is called. > > Signed-off-by: Mathieu Poirier > Reviewed-by: Alex Elder > Acked-by: Suman Anna Reviewed-by: Bjorn Andersson > --- > drivers/remoteproc/remoteproc_core.c | 21 +++++++++------------ > 1 file changed, 9 insertions(+), 12 deletions(-) > > diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c > index 15318507aedb..6fca4e2c0dd7 100644 > --- a/drivers/remoteproc/remoteproc_core.c > +++ b/drivers/remoteproc/remoteproc_core.c > @@ -2084,12 +2084,6 @@ struct rproc *rproc_alloc(struct device *dev, const char *name, > if (!rproc) > return NULL; > > - if (rproc_alloc_firmware(rproc, name, firmware)) > - goto free_rproc; > - > - if (rproc_alloc_ops(rproc, ops)) > - goto free_firmware; > - > rproc->name = name; > rproc->priv = &rproc[1]; > rproc->auto_boot = true; > @@ -2103,12 +2097,17 @@ struct rproc *rproc_alloc(struct device *dev, const char *name, > rproc->dev.driver_data = rproc; > idr_init(&rproc->notifyids); > > + if (rproc_alloc_firmware(rproc, name, firmware)) > + goto put_device; > + > + if (rproc_alloc_ops(rproc, ops)) > + goto put_device; > + > /* Assign a unique device index and name */ > rproc->index = ida_simple_get(&rproc_dev_index, 0, 0, GFP_KERNEL); > if (rproc->index < 0) { > dev_err(dev, "ida_simple_get failed: %d\n", rproc->index); > - put_device(&rproc->dev); > - return NULL; > + goto put_device; > } > > dev_set_name(&rproc->dev, "remoteproc%d", rproc->index); > @@ -2130,10 +2129,8 @@ struct rproc *rproc_alloc(struct device *dev, const char *name, > > return rproc; > > -free_firmware: > - kfree_const(rproc->firmware); > -free_rproc: > - kfree(rproc); > +put_device: > + put_device(&rproc->dev); > return NULL; > } > EXPORT_SYMBOL(rproc_alloc); > -- > 2.20.1 >