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Sun, 13 Oct 2024 11:13:55 +0200 Message-ID: <50425e82-2a41-4a3b-a983-2560ab0ccab2@gmx.net> Date: Sun, 13 Oct 2024 11:13:51 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/2] staging: vchiq_arm: Use devm_kzalloc for mgmt To: Umang Jain , Greg Kroah-Hartman , Broadcom internal kernel review list Cc: linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Kieran Bingham , Dan Carpenter , Laurent Pinchart , kernel-list@raspberrypi.com References: <20241013084529.377488-1-umang.jain@ideasonboard.com> <20241013084529.377488-3-umang.jain@ideasonboard.com> Content-Language: en-US From: Stefan Wahren In-Reply-To: <20241013084529.377488-3-umang.jain@ideasonboard.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:mSxpv6OUZVJICGtqE2ZRqmKOeGyL014blcjFiWj3/0YWUEeoOdE +AnssgLEFaY2nB0Ul7+3v0OlrmK+S0MN0GLyl5NUbQEVbDoTjPj5ZmpeK75yjEIOZt9gSMJ XnOPFZ4yNeKEMi7/ycf60vxYEWnOt8mlpYPJnebsC8NFoqytPGwfFevPglTtRnWRuaXABQq lbB1gqpa0pIPPmSV1qpCQ== UI-OutboundReport: notjunk:1;M01:P0:oLRW5sPinvw=;HuMOyxa8dwLEXLUuJaRtmfhkWP1 hSqcTo8qtDohQyfEBQHaNA9KaJ7//gZokvPkxHR1Q14nmwB2VZt2jIQOQAhxHTc9xlMvoQxgg cJt2AQyG3abrwtX3O5+lmAJVXHAq1sqnLf/qRUGJYz53Hcp8elhcXrvNI1gbAjEbF2OJOwPBq CDCFTAHPsMye3UcjOlQCYnR1JR9GKYC3VrDnkLmxzVjZA7Kg0DJMi/96LpLRYSCvzW43O4sBc NCKOcZEiFAJsgkDGrCywKXtvi0+bs+UjMCK2YIunY9tc4rkMV8a8Slo20CLp2xjWOS+ZrzNpj FrT5jDX7OJ5tr0pEQF34rRNyzNz8t7rYLTGeEOa4PTmf6Z/RSLIG6Vm0YlOH5dQjGsxj3mPDC AQB0HLHXtyWbp3XkbLPrXlH+zuF3YxhIS9Bu/9vIw9IjsuGD4/th9AdpV5g/en2b1S7KgGjzs jZerwEoxPIIWL/EKm9lrU+Qz7rIxuGytICslWyGhVXYN9B9lJ4haslKM/8X2bO8/EKCA07JKL kQZSl6+cy14Aa5D64nTmt2tmkjh9XEOWgxB++0RNjkNPrddRwmw13e2a01xNAlcm/9444SyMo RKdlu5bLOvFwLDW6yP7AhFmEUco69RxZ4vaNkA1InDHRE94fTp8iNR0Wbw47Xtt2siZM+9ZZ5 cX/CvgD384MWi5ofGuXFtMAds5Z7X5w2c5a8J0vACIjsufHFW+iHgHwDtgFdvKo1QGuUpDjEp MRBN7D9OcWK8DOFfwvwKrMxJSLpVtFoDpYoW1hhKCYQropQLqr6l1lNA8htKLzuGLXlhfpsk9 /f2zlxfJgnzuo6usANAeEx/w== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241013_021400_367684_8CC5680A X-CRM114-Status: GOOD ( 14.11 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Umang, Am 13.10.24 um 10:45 schrieb Umang Jain: > Signed-off-by: Umang Jain except of the missing commit message, this patch looks good to me. I understand the concerns about devm_kzalloc, but I think this doesn't apply in this case. Since this should be treated as RFC, is it already tested? Regards > --- > drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm= .c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c > index e780ed714a14..334fb7037766 100644 > --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c > +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c > @@ -1345,7 +1345,7 @@ static int vchiq_probe(struct platform_device *pde= v) > return -ENOENT; > } > > - mgmt =3D kzalloc(sizeof(*mgmt), GFP_KERNEL); > + mgmt =3D devm_kzalloc(&pdev->dev, sizeof(*mgmt), GFP_KERNEL); > if (!mgmt) > return -ENOMEM; > > @@ -1403,8 +1403,6 @@ static void vchiq_remove(struct platform_device *p= dev) > > arm_state =3D vchiq_platform_get_arm_state(&mgmt->state); > kthread_stop(arm_state->ka_thread); > - > - kfree(mgmt); > } > > static struct platform_driver vchiq_driver =3D {