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SubjectRe: [PATCH] media: uvcvideo: use dynamic allocation for uvc_copy_op
Hi Kyeongdon,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linuxtv-media/master]
[also build test ERROR on v5.14 next-20210902]
[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/Kyeongdon-Kim/media-uvcvideo-use-dynamic-allocation-for-uvc_copy_op/20210902-172043
base: git://linuxtv.org/media_tree.git master
config: i386-randconfig-a014-20210831 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c9948e9254fbb6ea00f66c7b4542311d21e060be)
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
# https://github.com/0day-ci/linux/commit/2a36e010c8f73cd5c36072caf7e63431a07f4aad
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Kyeongdon-Kim/media-uvcvideo-use-dynamic-allocation-for-uvc_copy_op/20210902-172043
git checkout 2a36e010c8f73cd5c36072caf7e63431a07f4aad
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/media/usb/uvc/uvc_video.c:1619:19: error: use of undeclared identifier 'uvc_urb'
for_each_uvc_urb(uvc_urb, stream) {
^
>> drivers/media/usb/uvc/uvc_video.c:1619:19: error: use of undeclared identifier 'uvc_urb'
>> drivers/media/usb/uvc/uvc_video.c:1619:19: error: use of undeclared identifier 'uvc_urb'
drivers/media/usb/uvc/uvc_video.c:1620:7: error: use of undeclared identifier 'uvc_urb'
if (uvc_urb->copy_operations) {
^
drivers/media/usb/uvc/uvc_video.c:1621:10: error: use of undeclared identifier 'uvc_urb'
kfree(uvc_urb->copy_operations);
^
>> drivers/media/usb/uvc/uvc_video.c:1622:4: error: must use 'struct' tag to refer to type 'uvc_urb'
uvc_urb->copy_operations = NULL;
^
struct
>> drivers/media/usb/uvc/uvc_video.c:1622:11: error: expected identifier or '('
uvc_urb->copy_operations = NULL;
^
drivers/media/usb/uvc/uvc_video.c:1631:19: error: use of undeclared identifier 'uvc_urb'
for_each_uvc_urb(uvc_urb, stream) {
^
drivers/media/usb/uvc/uvc_video.c:1631:19: error: use of undeclared identifier 'uvc_urb'
drivers/media/usb/uvc/uvc_video.c:1631:19: error: use of undeclared identifier 'uvc_urb'
drivers/media/usb/uvc/uvc_video.c:1632:3: error: must use 'struct' tag to refer to type 'uvc_urb'
uvc_urb->copy_operations
^
struct
drivers/media/usb/uvc/uvc_video.c:1632:10: error: expected identifier or '('
uvc_urb->copy_operations
^
drivers/media/usb/uvc/uvc_video.c:1634:7: error: use of undeclared identifier 'uvc_urb'
if (uvc_urb->copy_operations == NULL)
^
13 errors generated.


vim +/uvc_urb +1619 drivers/media/usb/uvc/uvc_video.c

1616
1617 static void uvc_free_urb_cop(struct uvc_streaming *stream)
1618 {
> 1619 for_each_uvc_urb(uvc_urb, stream) {
1620 if (uvc_urb->copy_operations) {
1621 kfree(uvc_urb->copy_operations);
> 1622 uvc_urb->copy_operations = NULL;
1623 }
1624 }
1625 }
1626

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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