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([103.75.161.211]) by smtp.googlemail.com with ESMTPSA id p16-20020a170902e75000b001c446dea2c5sm18558920plf.143.2023.09.30.05.35.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 30 Sep 2023 05:35:05 -0700 (PDT) From: Abhinav To: gregkh@linuxfoundation.org, stern@rowland.harvard.edu, benjamin.tissoires@redhat.com, mathias.nyman@linux.intel.com, hdegoede@redhat.com, hadess@hadess.net Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, skhan@linuxfoundation.org, Abhinav Subject: [PATCH] fixed documentation warning about duplicate symbol Date: Sat, 30 Sep 2023 18:04:49 +0530 Message-Id: <20230930123449.1170359-1-singhabhinav9051571833@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Sat, 30 Sep 2023 05:35:43 -0700 (PDT) Compiling the documentation in html gives a warning about duplicate symbol because same name is used for function usb_string(...) and also for the struct usb_string.Also having a different name can be helpful while searching or debugging the code. Renaming the function usb_string(...) to utf16le_to_utf8(...) fixes this warning.Reason for choosing this name because this is what the function description says it is doing. Signed-off-by: Abhinav --- drivers/usb/atm/cxacru.c | 2 +- drivers/usb/atm/speedtch.c | 2 +- drivers/usb/atm/ueagle-atm.c | 2 +- drivers/usb/atm/usbatm.c | 2 +- drivers/usb/core/hub.c | 2 +- drivers/usb/core/message.c | 12 ++++++------ drivers/usb/misc/adutux.c | 2 +- drivers/usb/misc/iowarrior.c | 2 +- drivers/usb/misc/ldusb.c | 2 +- drivers/usb/serial/io_edgeport.c | 4 ++-- include/linux/usb.h | 2 +- 11 files changed, 17 insertions(+), 17 deletions(-) diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c index 4ce7cba2b48a..c27d13f9de74 100644 --- a/drivers/usb/atm/cxacru.c +++ b/drivers/usb/atm/cxacru.c @@ -1352,7 +1352,7 @@ static int cxacru_usb_probe(struct usb_interface *intf, * Abort if bDeviceClass is 0xff and iProduct is "USB NET CARD". */ if (usb_dev->descriptor.bDeviceClass == USB_CLASS_VENDOR_SPEC - && usb_string(usb_dev, usb_dev->descriptor.iProduct, + && utf16le_to_utf8(usb_dev, usb_dev->descriptor.iProduct, buf, sizeof(buf)) > 0) { if (!strcmp(buf, "USB NET CARD")) { dev_info(&intf->dev, "ignoring cx82310_eth device\n"); diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c index 973548b5c15c..4e13f740e2ae 100644 --- a/drivers/usb/atm/speedtch.c +++ b/drivers/usb/atm/speedtch.c @@ -655,7 +655,7 @@ static int speedtch_atm_start(struct usbatm_data *usbatm, struct atm_dev *atm_de /* Set MAC address, it is stored in the serial number */ memset(atm_dev->esi, 0, sizeof(atm_dev->esi)); - if (usb_string(usb_dev, usb_dev->descriptor.iSerialNumber, mac_str, sizeof(mac_str)) == 12) { + if (utf16le_to_utf8(usb_dev, usb_dev->descriptor.iSerialNumber, mac_str, sizeof(mac_str)) == 12) { for (i = 0; i < 6; i++) atm_dev->esi[i] = (hex_to_bin(mac_str[i * 2]) << 4) + hex_to_bin(mac_str[i * 2 + 1]); diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c index 5812f7ea7f90..2998c9b90a11 100644 --- a/drivers/usb/atm/ueagle-atm.c +++ b/drivers/usb/atm/ueagle-atm.c @@ -2416,7 +2416,7 @@ static int uea_getesi(struct uea_softc *sc, u_char *esi) { unsigned char mac_str[2 * ETH_ALEN + 1]; int i; - if (usb_string + if (utf16le_to_utf8 (sc->usb_dev, sc->usb_dev->descriptor.iSerialNumber, mac_str, sizeof(mac_str)) != 2 * ETH_ALEN) return 1; diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c index 1cdb8758ae01..88ff90454572 100644 --- a/drivers/usb/atm/usbatm.c +++ b/drivers/usb/atm/usbatm.c @@ -1035,7 +1035,7 @@ int usbatm_usb_probe(struct usb_interface *intf, const struct usb_device_id *id, buf = instance->description; length = sizeof(instance->description); - if ((i = usb_string(usb_dev, usb_dev->descriptor.iProduct, buf, length)) < 0) + if ((i = utf16le_to_utf8(usb_dev, usb_dev->descriptor.iProduct, buf, length)) < 0) goto bind; buf += i; diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 3c54b218301c..0cdf81b07852 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -5244,7 +5244,7 @@ static int descriptors_changed(struct usb_device *udev, } if (!changed && serial_len) { - length = usb_string(udev, udev->descriptor.iSerialNumber, + length = utf16le_to_utf8(udev, udev->descriptor.iSerialNumber, buf, serial_len); if (length + 1 != serial_len) { dev_dbg(&udev->dev, "serial string error %d\n", diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 077dfe48d01c..5f4c178d83f7 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -767,7 +767,7 @@ EXPORT_SYMBOL_GPL(usb_sg_cancel); * * Gets a USB descriptor. Convenience functions exist to simplify * getting some types of descriptors. Use - * usb_get_string() or usb_string() for USB_DT_STRING. + * usb_get_string() or utf16le_to_utf8() for USB_DT_STRING. * Device (USB_DT_DEVICE) and configuration descriptors (USB_DT_CONFIG) * are part of the device structure. * In addition to a number of USB-standard descriptors, some @@ -819,7 +819,7 @@ EXPORT_SYMBOL_GPL(usb_get_descriptor); * * Retrieves a string, encoded using UTF-16LE (Unicode, 16 bits per character, * in little-endian byte order). - * The usb_string() function will often be a convenient way to turn + * The utf16le_to_utf8() function will often be a convenient way to turn * these strings into kernel-printable form. * * Strings may be referenced in device, configuration, interface, or other @@ -948,7 +948,7 @@ static int usb_get_langid(struct usb_device *dev, unsigned char *tbuf) } /** - * usb_string - returns UTF-8 version of a string descriptor + * utf16le_to_utf8 - returns UTF-8 version of a string descriptor * @dev: the device whose string descriptor is being retrieved * @index: the number of the descriptor * @buf: where to put the string @@ -965,7 +965,7 @@ static int usb_get_langid(struct usb_device *dev, unsigned char *tbuf) * * Return: length of the string (>= 0) or usb_control_msg status (< 0). */ -int usb_string(struct usb_device *dev, int index, char *buf, size_t size) +int utf16le_to_utf8(struct usb_device *dev, int index, char *buf, size_t size) { unsigned char *tbuf; int err; @@ -1003,7 +1003,7 @@ int usb_string(struct usb_device *dev, int index, char *buf, size_t size) kfree(tbuf); return err; } -EXPORT_SYMBOL_GPL(usb_string); +EXPORT_SYMBOL_GPL(utf16le_to_utf8); /* one UTF-8-encoded 16-bit character has at most three bytes */ #define MAX_USB_STRING_SIZE (127 * 3 + 1) @@ -1027,7 +1027,7 @@ char *usb_cache_string(struct usb_device *udev, int index) buf = kmalloc(MAX_USB_STRING_SIZE, GFP_NOIO); if (buf) { - len = usb_string(udev, index, buf, MAX_USB_STRING_SIZE); + len = utf16le_to_utf8(udev, index, buf, MAX_USB_STRING_SIZE); if (len > 0) { smallbuf = kmalloc(++len, GFP_NOIO); if (!smallbuf) diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c index ed6a19254d2f..9c8e482d9dd9 100644 --- a/drivers/usb/misc/adutux.c +++ b/drivers/usb/misc/adutux.c @@ -717,7 +717,7 @@ static int adu_probe(struct usb_interface *interface, if (!dev->interrupt_out_urb) goto error; - if (!usb_string(udev, udev->descriptor.iSerialNumber, dev->serial_number, + if (!utf16le_to_utf8(udev, udev->descriptor.iSerialNumber, dev->serial_number, sizeof(dev->serial_number))) { dev_err(&interface->dev, "Could not retrieve serial number\n"); retval = -EIO; diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c index 1e3df27bab58..8b39662e3ae2 100644 --- a/drivers/usb/misc/iowarrior.c +++ b/drivers/usb/misc/iowarrior.c @@ -840,7 +840,7 @@ static int iowarrior_probe(struct usb_interface *interface, goto error; /* Get the serial-number of the chip */ memset(dev->chip_serial, 0x00, sizeof(dev->chip_serial)); - usb_string(udev, udev->descriptor.iSerialNumber, dev->chip_serial, + utf16le_to_utf8(udev, udev->descriptor.iSerialNumber, dev->chip_serial, sizeof(dev->chip_serial)); if (strlen(dev->chip_serial) != 8) memset(dev->chip_serial, 0x00, sizeof(dev->chip_serial)); diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c index 7cbef74dfc9a..4c13f7f0d5e4 100644 --- a/drivers/usb/misc/ldusb.c +++ b/drivers/usb/misc/ldusb.c @@ -675,7 +675,7 @@ static int ld_usb_probe(struct usb_interface *intf, const struct usb_device_id * if (!buffer) goto error; /* usb_string makes SETUP+STALL to leave always ControlReadLoop */ - usb_string(udev, 255, buffer, 256); + utf16le_to_utf8(udev, 255, buffer, 256); kfree(buffer); } diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index abe4bbb0ac65..70d487e95117 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -2723,12 +2723,12 @@ static int edge_startup(struct usb_serial *serial) usb_set_serial_data(serial, edge_serial); /* get the name for the device from the device */ - i = usb_string(dev, dev->descriptor.iManufacturer, + i = utf16le_to_utf8(dev, dev->descriptor.iManufacturer, &edge_serial->name[0], MAX_NAME_LEN+1); if (i < 0) i = 0; edge_serial->name[i++] = ' '; - usb_string(dev, dev->descriptor.iProduct, + utf16le_to_utf8(dev, dev->descriptor.iProduct, &edge_serial->name[i], MAX_NAME_LEN+2 - i); dev_info(&serial->dev->dev, "%s detected\n", edge_serial->name); diff --git a/include/linux/usb.h b/include/linux/usb.h index a21074861f91..870430a1fa52 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -1879,7 +1879,7 @@ static inline int usb_get_ptm_status(struct usb_device *dev, void *data) 0, data); } -extern int usb_string(struct usb_device *dev, int index, +extern int utf16le_to_utf8(struct usb_device *dev, int index, char *buf, size_t size); extern char *usb_cache_string(struct usb_device *udev, int index); -- 2.34.1