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Message-ID: <202106211451.G2yeATre-lkp@intel.com>
Date: Mon, 21 Jun 2021 15:05:53 +0800
From: kernel test robot <lkp@...el.com>
To: Dongliang Mu <mudongliangabcd@...il.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
linux-media@...r.kernel.org,
Dongliang Mu <mudongliangabcd@...il.com>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] media: dvb-usb: break long strings in
dvb_usb_device_init
Hi Dongliang,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on linuxtv-media/master]
[also build test WARNING on v5.13-rc7 next-20210618]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Dongliang-Mu/media-dvb-usb-break-long-strings-in-dvb_usb_device_init/20210621-130906
base: git://linuxtv.org/media_tree.git master
config: x86_64-randconfig-a012-20210621 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project e1adf90826a57b674eee79b071fb46c1f5683cd0)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# https://github.com/0day-ci/linux/commit/2cb920d86e9a83188dc0c72083640ca03e580a33
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Dongliang-Mu/media-dvb-usb-break-long-strings-in-dvb_usb_device_init/20210621-130906
git checkout 2cb920d86e9a83188dc0c72083640ca03e580a33
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
>> drivers/media/usb/dvb-usb/dvb-usb-init.c:289:11: warning: missing terminating '"' character [-Winvalid-pp-token]
deb_err("something went very wrong,
^
drivers/media/usb/dvb-usb/dvb-usb-init.c:290:51: warning: missing terminating '"' character [-Winvalid-pp-token]
device was not found in current device list.\n");
^
drivers/media/usb/dvb-usb/dvb-usb-init.c:289:3: error: unterminated function-like macro invocation
deb_err("something went very wrong,
^
drivers/media/usb/dvb-usb/dvb-usb-common.h:22:9: note: macro 'deb_err' defined here
#define deb_err(args...) dprintk(dvb_usb_debug,0x010,args)
^
drivers/media/usb/dvb-usb/dvb-usb-init.c:350:23: error: expected '}'
MODULE_LICENSE("GPL");
^
drivers/media/usb/dvb-usb/dvb-usb-init.c:288:13: note: to match this '{'
if (!desc) {
^
drivers/media/usb/dvb-usb/dvb-usb-init.c:350:23: error: expected '}'
MODULE_LICENSE("GPL");
^
drivers/media/usb/dvb-usb/dvb-usb-init.c:269:1: note: to match this '{'
{
^
2 warnings and 3 errors generated.
vim +289 drivers/media/usb/dvb-usb/dvb-usb-init.c
261
262 /*
263 * USB
264 */
265 int dvb_usb_device_init(struct usb_interface *intf,
266 const struct dvb_usb_device_properties *props,
267 struct module *owner, struct dvb_usb_device **du,
268 short *adapter_nums)
269 {
270 struct usb_device *udev = interface_to_usbdev(intf);
271 struct dvb_usb_device *d = NULL;
272 const struct dvb_usb_device_description *desc = NULL;
273
274 int ret = -ENOMEM, cold = 0;
275
276 if (du != NULL)
277 *du = NULL;
278
279 d = kzalloc(sizeof(*d), GFP_KERNEL);
280 if (!d) {
281 err("no memory for 'struct dvb_usb_device'");
282 return -ENOMEM;
283 }
284
285 memcpy(&d->props, props, sizeof(struct dvb_usb_device_properties));
286
287 desc = dvb_usb_find_device(udev, &d->props, &cold);
288 if (!desc) {
> 289 deb_err("something went very wrong,
290 device was not found in current device list.\n");
291 ret = -ENODEV;
292 goto error;
293 }
294
295 if (cold) {
296 info("found a %s in cold state, will try to load a firmware",
297 desc->name);
298 ret = dvb_usb_download_firmware(udev, props);
299 if (!props->no_reconnect || ret != 0)
300 goto error;
301 }
302
303 info("found a '%s' in warm state.", desc->name);
304 d->udev = udev;
305 d->desc = desc;
306 d->owner = owner;
307
308 usb_set_intfdata(intf, d);
309
310 ret = dvb_usb_init(d, adapter_nums);
311 if (ret) {
312 info("%s error while loading driver (%d)", desc->name, ret);
313 goto error;
314 }
315
316 if (du)
317 *du = d;
318
319 info("%s is successfully initialized and connected.", desc->name);
320 return 0;
321
322 error:
323 usb_set_intfdata(intf, NULL);
324 kfree(d);
325 return ret;
326 }
327 EXPORT_SYMBOL(dvb_usb_device_init);
328
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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