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Message-ID: <202301062031.HuyBT42R-lkp@intel.com>
Date:   Fri, 6 Jan 2023 21:01:02 +0800
From:   kernel test robot <lkp@...el.com>
To:     Qing Zhang <zhangqing@...ngson.cn>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Huacai Chen <chenhuacai@...nel.org>
Subject: drivers/media/usb/uvc/uvc_queue.c:165:9: sparse: sparse: incorrect
 type in argument 1 (different address spaces)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   1f5abbd77e2c1787e74b7c2caffac97def78ba52
commit: 93a4fa622eb061f75f87f0cf9609ab4e69c67d01 LoongArch: Add STACKTRACE support
date:   5 months ago
config: loongarch-randconfig-s043-20230106
compiler: loongarch64-linux-gcc (GCC) 12.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=93a4fa622eb061f75f87f0cf9609ab4e69c67d01
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 93a4fa622eb061f75f87f0cf9609ab4e69c67d01
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch SHELL=/bin/bash drivers/media/usb/uvc/ mm/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

sparse warnings: (new ones prefixed by >>)
>> drivers/media/usb/uvc/uvc_queue.c:165:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     got unsigned int [noderef] __percpu *
>> drivers/media/usb/uvc/uvc_queue.c:165:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     got unsigned int [noderef] __percpu *
>> drivers/media/usb/uvc/uvc_queue.c:165:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     got unsigned int [noderef] __percpu *
>> drivers/media/usb/uvc/uvc_queue.c:165:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     got unsigned int [noderef] __percpu *
>> drivers/media/usb/uvc/uvc_queue.c:165:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     got int [noderef] __percpu *
>> drivers/media/usb/uvc/uvc_queue.c:165:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     got int [noderef] __percpu *
>> drivers/media/usb/uvc/uvc_queue.c:165:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     got int [noderef] __percpu *
>> drivers/media/usb/uvc/uvc_queue.c:165:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:165:9: sparse:     got int [noderef] __percpu *
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     got unsigned int [noderef] __percpu *
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     got unsigned int [noderef] __percpu *
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     got unsigned int [noderef] __percpu *
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got unsigned int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     got unsigned int [noderef] __percpu *
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     got int [noderef] __percpu *
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     got int [noderef] __percpu *
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     got int [noderef] __percpu *
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *ptr @@     got int [noderef] __percpu * @@
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     expected void *ptr
   drivers/media/usb/uvc/uvc_queue.c:184:9: sparse:     got int [noderef] __percpu *

vim +165 drivers/media/usb/uvc/uvc_queue.c

66847ef013cc4e drivers/media/video/uvc/uvc_queue.c Laurent Pinchart 2011-09-24  158  
a11a03e50b7323 drivers/media/usb/uvc/uvc_queue.c   Laurent Pinchart 2014-10-21  159  static int uvc_start_streaming(struct vb2_queue *vq, unsigned int count)
a11a03e50b7323 drivers/media/usb/uvc/uvc_queue.c   Laurent Pinchart 2014-10-21  160  {
a11a03e50b7323 drivers/media/usb/uvc/uvc_queue.c   Laurent Pinchart 2014-10-21  161  	struct uvc_video_queue *queue = vb2_get_drv_priv(vq);
a11a03e50b7323 drivers/media/usb/uvc/uvc_queue.c   Laurent Pinchart 2014-10-21  162  	struct uvc_streaming *stream = uvc_queue_to_stream(queue);
ef33d901db3026 drivers/media/usb/uvc/uvc_queue.c   Laurent Pinchart 2014-10-21  163  	int ret;
a11a03e50b7323 drivers/media/usb/uvc/uvc_queue.c   Laurent Pinchart 2014-10-21  164  
c50c9c1e659d8d drivers/media/usb/uvc/uvc_queue.c   Kieran Bingham   2018-01-03 @165  	lockdep_assert_irqs_enabled();
c50c9c1e659d8d drivers/media/usb/uvc/uvc_queue.c   Kieran Bingham   2018-01-03  166  
a11a03e50b7323 drivers/media/usb/uvc/uvc_queue.c   Laurent Pinchart 2014-10-21  167  	queue->buf_used = 0;
a11a03e50b7323 drivers/media/usb/uvc/uvc_queue.c   Laurent Pinchart 2014-10-21  168  
571e70dbd42105 drivers/media/usb/uvc/uvc_queue.c   Kieran Bingham   2018-11-05  169  	ret = uvc_video_start_streaming(stream);
ef33d901db3026 drivers/media/usb/uvc/uvc_queue.c   Laurent Pinchart 2014-10-21  170  	if (ret == 0)
ef33d901db3026 drivers/media/usb/uvc/uvc_queue.c   Laurent Pinchart 2014-10-21  171  		return 0;
ef33d901db3026 drivers/media/usb/uvc/uvc_queue.c   Laurent Pinchart 2014-10-21  172  
c50c9c1e659d8d drivers/media/usb/uvc/uvc_queue.c   Kieran Bingham   2018-01-03  173  	spin_lock_irq(&queue->irqlock);
ef33d901db3026 drivers/media/usb/uvc/uvc_queue.c   Laurent Pinchart 2014-10-21  174  	uvc_queue_return_buffers(queue, UVC_BUF_STATE_QUEUED);
c50c9c1e659d8d drivers/media/usb/uvc/uvc_queue.c   Kieran Bingham   2018-01-03  175  	spin_unlock_irq(&queue->irqlock);
ef33d901db3026 drivers/media/usb/uvc/uvc_queue.c   Laurent Pinchart 2014-10-21  176  
ef33d901db3026 drivers/media/usb/uvc/uvc_queue.c   Laurent Pinchart 2014-10-21  177  	return ret;
a11a03e50b7323 drivers/media/usb/uvc/uvc_queue.c   Laurent Pinchart 2014-10-21  178  }
a11a03e50b7323 drivers/media/usb/uvc/uvc_queue.c   Laurent Pinchart 2014-10-21  179  

:::::: The code at line 165 was first introduced by commit
:::::: c50c9c1e659d8de9c13441f243e7938413be6e71 media: uvcvideo: queue: Simplify spin-lock usage

:::::: TO: Kieran Bingham <kieran.bingham@...asonboard.com>
:::::: CC: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

View attachment "config" of type "text/plain" (179372 bytes)

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