Re: [PATCH v4] Bluetooth: btusb: Add support using different nvm for variant WCN6855 controller

From: kernel test robot
Date: Mon Aug 23 2021 - 09:59:43 EST

Hi Zijun,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on bluetooth-next/master]
[also build test WARNING on linus/master v5.14-rc7 next-20210823]
[cannot apply to linux/master bluetooth/master]
[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/Zijun-Hu/Bluetooth-btusb-Add-support-using-different-nvm-for-variant-WCN6855-controller/20210823-170111
base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master
config: alpha-allyesconfig (attached as .config)
compiler: alpha-linux-gcc (GCC) 11.2.0
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/0e2a1544bcc7d3ffac1bd4c27614c8d892933ed3
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Zijun-Hu/Bluetooth-btusb-Add-support-using-different-nvm-for-variant-WCN6855-controller/20210823-170111
git checkout 0e2a1544bcc7d3ffac1bd4c27614c8d892933ed3
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=alpha

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

All warnings (new ones prefixed by >>):

drivers/bluetooth/btusb.c: In function 'btusb_generate_qca_nvm_name':
>> drivers/bluetooth/btusb.c:3342:48: warning: argument to 'sizeof' in 'snprintf' call is the same expression as the destination; did you mean to provide an explicit length? [-Wsizeof-pointer-memaccess]
3342 | snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x%s%s.bin",
| ^
drivers/bluetooth/btusb.c:3342:34: error: passing argument 1 of 'snprintf' from incompatible pointer type [-Werror=incompatible-pointer-types]
3342 | snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x%s%s.bin",
| ^~~~~~
| |
| char **
In file included from include/linux/list.h:9,
from include/linux/dmi.h:5,
from drivers/bluetooth/btusb.c:9:
include/linux/kernel.h:204:20: note: expected 'char *' but argument is of type 'char **'
204 | int snprintf(char *buf, size_t size, const char *fmt, ...);
| ~~~~~~^~~
drivers/bluetooth/btusb.c:3347:48: warning: argument to 'sizeof' in 'snprintf' call is the same expression as the destination; did you mean to provide an explicit length? [-Wsizeof-pointer-memaccess]
3347 | snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x%s%s%04x.bin",
| ^
drivers/bluetooth/btusb.c:3347:34: error: passing argument 1 of 'snprintf' from incompatible pointer type [-Werror=incompatible-pointer-types]
3347 | snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x%s%s%04x.bin",
| ^~~~~~
| |
| char **
In file included from include/linux/list.h:9,
from include/linux/dmi.h:5,
from drivers/bluetooth/btusb.c:9:
include/linux/kernel.h:204:20: note: expected 'char *' but argument is of type 'char **'
204 | int snprintf(char *buf, size_t size, const char *fmt, ...);
| ~~~~~~^~~
drivers/bluetooth/btusb.c:3354:40: warning: argument to 'sizeof' in 'snprintf' call is the same expression as the destination; did you mean to provide an explicit length? [-Wsizeof-pointer-memaccess]
3354 | snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
| ^
drivers/bluetooth/btusb.c:3354:26: error: passing argument 1 of 'snprintf' from incompatible pointer type [-Werror=incompatible-pointer-types]
3354 | snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
| ^~~~~~
| |
| char **
In file included from include/linux/list.h:9,
from include/linux/dmi.h:5,
from drivers/bluetooth/btusb.c:9:
include/linux/kernel.h:204:20: note: expected 'char *' but argument is of type 'char **'
204 | int snprintf(char *buf, size_t size, const char *fmt, ...);
| ~~~~~~^~~
drivers/bluetooth/btusb.c: In function 'btusb_setup_qca_load_nvm':
drivers/bluetooth/btusb.c:3371:53: error: passing argument 1 of 'btusb_generate_qca_nvm_name' from incompatible pointer type [-Werror=incompatible-pointer-types]
3371 | btusb_generate_qca_nvm_name(&fwname, sizeof(fwname), ver, "_", "gf");
| ^~~~~~~
| |
| char (*)[64]
drivers/bluetooth/btusb.c:3333:48: note: expected 'char **' but argument is of type 'char (*)[64]'
3333 | static void btusb_generate_qca_nvm_name(char **fwname,
| ~~~~~~~^~~~~~
drivers/bluetooth/btusb.c:3374:53: error: passing argument 1 of 'btusb_generate_qca_nvm_name' from incompatible pointer type [-Werror=incompatible-pointer-types]
3374 | btusb_generate_qca_nvm_name(&fwname, sizeof(fwname), ver, NULL, NULL);
| ^~~~~~~
| |
| char (*)[64]
drivers/bluetooth/btusb.c:3333:48: note: expected 'char **' but argument is of type 'char (*)[64]'
3333 | static void btusb_generate_qca_nvm_name(char **fwname,
| ~~~~~~~^~~~~~
cc1: some warnings being treated as errors


vim +3342 drivers/bluetooth/btusb.c

3332
3333 static void btusb_generate_qca_nvm_name(char **fwname,
3334 int max_size,
3335 struct qca_version *ver,
3336 char *separator,
3337 char *vendor)
3338 {
3339 if (((ver->flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) {
3340 /* if boardid equal 0, use default nvm without surfix */
3341 if (le16_to_cpu(ver->board_id) == 0x0) {
> 3342 snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x%s%s.bin",
3343 le32_to_cpu(ver->rom_version),
3344 separator,
3345 vendor);
3346 } else {
3347 snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x%s%s%04x.bin",
3348 le32_to_cpu(ver->rom_version),
3349 separator,
3350 vendor,
3351 le16_to_cpu(ver->board_id));
3352 }
3353 } else {
3354 snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
3355 le32_to_cpu(ver->rom_version));
3356 }
3357

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

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