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[92.247.61.126]) by smtp.gmail.com with ESMTPSA id r16sm7234275edc.57.2020.09.27.05.49.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 27 Sep 2020 05:49:18 -0700 (PDT) From: Petko Manolov To: gregKH@linuxfoundation.org Cc: linux-usb@vger.kernel.org, davem@davemloft.net, netdev@vger.kernel.org, Petko Manolov Subject: [PATCH RESEND v3 2/2] net: rtl8150: Use the new usb control message API. Date: Sun, 27 Sep 2020 15:49:09 +0300 Message-Id: <20200927124909.16380-3-petko.manolov@konsulko.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200927124909.16380-1-petko.manolov@konsulko.com> References: <20200923134348.23862-9-oneukum@suse.com> <20200927124909.16380-1-petko.manolov@konsulko.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The old usb_control_msg() let the caller handle the error and also did not account for partial reads. Since these are now considered harmful, move the driver over to usb_control_msg_recv/send() calls. Signed-off-by: Petko Manolov --- drivers/net/usb/rtl8150.c | 32 ++++++-------------------------- 1 file changed, 6 insertions(+), 26 deletions(-) diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c index 733f120c852b..b3a0b188b1a1 100644 --- a/drivers/net/usb/rtl8150.c +++ b/drivers/net/usb/rtl8150.c @@ -152,36 +152,16 @@ static const char driver_name [] = "rtl8150"; */ static int get_registers(rtl8150_t * dev, u16 indx, u16 size, void *data) { - void *buf; - int ret; - - buf = kmalloc(size, GFP_NOIO); - if (!buf) - return -ENOMEM; - - ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), - RTL8150_REQ_GET_REGS, RTL8150_REQT_READ, - indx, 0, buf, size, 500); - if (ret > 0 && ret <= size) - memcpy(data, buf, ret); - kfree(buf); - return ret; + return usb_control_msg_recv(dev->udev, 0, RTL8150_REQ_GET_REGS, + RTL8150_REQT_READ, indx, 0, data, size, + 1000, GFP_NOIO); } static int set_registers(rtl8150_t * dev, u16 indx, u16 size, const void *data) { - void *buf; - int ret; - - buf = kmemdup(data, size, GFP_NOIO); - if (!buf) - return -ENOMEM; - - ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), - RTL8150_REQ_SET_REGS, RTL8150_REQT_WRITE, - indx, 0, buf, size, 500); - kfree(buf); - return ret; + return usb_control_msg_send(dev->udev, 0, RTL8150_REQ_SET_REGS, + RTL8150_REQT_WRITE, indx, 0, data, size, + 1000, GFP_NOIO); } static void async_set_reg_cb(struct urb *urb) -- 2.28.0