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Mon, 12 Oct 2026 19:55:59 -0700 (PDT) From: Subasri S Date: Tue, 13 Oct 2026 08:25:38 +0530 Subject: [PATCH RESEND v2 2/3] usb: misc: Use %pe to print error pointers Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261013-usb-ptr_err_patchset-v2-2-f83351b3fc3d@gmail.com> References: <20261013-usb-ptr_err_patchset-v2-0-f83351b3fc3d@gmail.com> In-Reply-To: <20261013-usb-ptr_err_patchset-v2-0-f83351b3fc3d@gmail.com> To: Peter Chen , Greg Kroah-Hartman , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Duncan Sands , Chas Williams <3chas3@gmail.com>, Minas Harutyunyan , Hans de Goede , Heikki Krogerus , Badhri Jagan Sridharan Cc: linux-usb@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-atm-general@lists.sourceforge.net, netdev@vger.kernel.org, Subasri S X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1791860140; l=3600; i=subasris1210@gmail.com; s=20260709; h=from:subject:message-id; bh=Ya5+fvphL83LzsYbeWDighc3P/K+Pmb/K3isgCaZrDo=; b=hlAZNUAuOTsOCAcw7zt+8hO1U/tGYbvnh2BXSwkSTK86cUrFuDH3pxAH0GwvU2uFV4yX9uS5k NwCZWiPoNpnD57qx+VgjuMV4QznO8vvH62NNJ4CmZrOD6ieNz9KrL7c X-Developer-Key: i=subasris1210@gmail.com; a=ed25519; pk=6C4wavGFy/OsR8yQQKNWuDXoYPHp2L3sfgNfyzTruTk= Use the %pe format specifier instead of %ld with PTR_ERR() for printing error pointers in various drivers across usb subsystem. This prints symbolic error names (e.g.-ENOMEM) instead of errno numbers (e.g. -12), making error logs more readable. Fix coccinelle reported warnings: WARNING: Consider using %pe to print PTR_ERR() Compile tested only. Reviewed-by: Frank Li Signed-off-by: Subasri S --- drivers/usb/atm/usbatm.c | 4 ++-- drivers/usb/core/hub.c | 3 +-- drivers/usb/dwc2/pci.c | 3 +-- drivers/usb/gadget/function/u_serial.c | 4 ++-- drivers/usb/misc/usb3503.c | 3 +-- 5 files changed, 7 insertions(+), 10 deletions(-) diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c index 9600e1ec0993..c78caa1b57c9 100644 --- a/drivers/usb/atm/usbatm.c +++ b/drivers/usb/atm/usbatm.c @@ -979,8 +979,8 @@ static int usbatm_heavy_init(struct usbatm_data *instance) t = kthread_create(usbatm_do_heavy_init, instance, "%s", instance->driver->driver_name); if (IS_ERR(t)) { - usb_err(instance, "%s: failed to create kernel_thread (%ld)!\n", - __func__, PTR_ERR(t)); + usb_err(instance, "%s: failed to create kernel_thread (%pe)!\n", + __func__, t); return PTR_ERR(t); } diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 5262e11c12cd..8c750a93c350 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -5671,8 +5671,7 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1, descr = usb_get_device_descriptor(udev); if (IS_ERR(descr)) { dev_dbg(&udev->dev, - "can't read device descriptor %ld\n", - PTR_ERR(descr)); + "can't read device descriptor %pe\n", descr); } else { if (descriptors_changed(udev, descr, udev->bos)) { diff --git a/drivers/usb/dwc2/pci.c b/drivers/usb/dwc2/pci.c index f3a1e4232a31..7ff9c4df941e 100644 --- a/drivers/usb/dwc2/pci.c +++ b/drivers/usb/dwc2/pci.c @@ -68,8 +68,7 @@ static int dwc2_pci_probe(struct pci_dev *pci, phy = usb_phy_generic_register(); if (IS_ERR(phy)) { - dev_err(dev, "error registering generic PHY (%ld)\n", - PTR_ERR(phy)); + dev_err(dev, "error registering generic PHY (%pe)\n", phy); return PTR_ERR(phy); } diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c index cdd1dfc666c4..da31e5cea0a5 100644 --- a/drivers/usb/gadget/function/u_serial.c +++ b/drivers/usb/gadget/function/u_serial.c @@ -1311,8 +1311,8 @@ int gserial_alloc_line_no_console(unsigned char *line_num) tty_dev = tty_port_register_device(&port->port, gs_tty_driver, port_num, NULL); if (IS_ERR(tty_dev)) { - pr_err("%s: failed to register tty for port %d, err %ld\n", - __func__, port_num, PTR_ERR(tty_dev)); + pr_err("%s: failed to register tty for port %d, err %pe\n", + __func__, port_num, tty_dev); ret = PTR_ERR(tty_dev); mutex_lock(&ports[port_num].lock); diff --git a/drivers/usb/misc/usb3503.c b/drivers/usb/misc/usb3503.c index 759770a13260..1160dc594b1c 100644 --- a/drivers/usb/misc/usb3503.c +++ b/drivers/usb/misc/usb3503.c @@ -202,8 +202,7 @@ static int usb3503_probe(struct usb3503 *hub) hub->clk = devm_clk_get_optional(dev, "refclk"); if (IS_ERR(hub->clk)) { - dev_err(dev, "unable to request refclk (%ld)\n", - PTR_ERR(hub->clk)); + dev_err(dev, "unable to request refclk (%pe)\n", hub->clk); return PTR_ERR(hub->clk); } -- 2.43.0