From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kOCIi-0008EG-21 for barebox@lists.infradead.org; Fri, 02 Oct 2020 04:04:09 +0000 Date: Fri, 2 Oct 2020 06:04:01 +0200 From: Sascha Hauer Message-ID: <20201002040401.GM11648@pengutronix.de> References: <20200930072005.1407-5-a.fatoum@pengutronix.de> <20200930072456.28198-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200930072456.28198-1-a.fatoum@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH] fixup! net: usb: asix: propagate errors from MDIO accessors To: Ahmad Fatoum Cc: barebox@lists.infradead.org On Wed, Sep 30, 2020 at 09:24:57AM +0200, Ahmad Fatoum wrote: > usb_control_msg doesn't (always) return 0 on success. > Adjust the error checks to explicitly check for negative return values > instead. > > Signed-off-by: Ahmad Fatoum > --- > Should probably be tested before applying. Sascha, can you easily do > this? I tested this and can confirm this patch fixes the breakage from the last patch ;) Sascha > --- > drivers/net/usb/asix.c | 16 ++++++++++------ > 1 file changed, 10 insertions(+), 6 deletions(-) > > diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c > index fc7063095b6c..1140be9d1601 100644 > --- a/drivers/net/usb/asix.c > +++ b/drivers/net/usb/asix.c > @@ -255,15 +255,15 @@ static int asix_mdio_read(struct mii_bus *bus, int phy_id, int loc) > int ret; > > ret = asix_set_sw_mii(dev); > - if (ret) > + if (ret < 0) > return ret; > > ret = asix_read_cmd(dev, AX_CMD_READ_MII_REG, phy_id, (__u16)loc, 2, &res); > - if (ret) > + if (ret < 0) > return ret; > > ret = asix_set_hw_mii(dev); > - if (ret) > + if (ret < 0) > return ret; > > dev_dbg(&dev->edev.dev, "asix_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x\n", > @@ -282,14 +282,18 @@ static int asix_mdio_write(struct mii_bus *bus, int phy_id, int loc, u16 val) > phy_id, loc, val); > > ret = asix_set_sw_mii(dev); > - if (ret) > + if (ret < 0) > return ret; > > ret = asix_write_cmd(dev, AX_CMD_WRITE_MII_REG, phy_id, (__u16)loc, 2, &res); > - if (ret) > + if (ret < 0) > return ret; > > - return asix_set_hw_mii(dev); > + ret = asix_set_hw_mii(dev); > + if (ret < 0) > + return ret; > + > + return 0; > } > > static inline int asix_get_phy_addr(struct usbnet *dev) > -- > 2.28.0 > > > _______________________________________________ > barebox mailing list > barebox@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/barebox > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox