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Message-ID: <202106270758.1Svs5mlo-lkp@intel.com>
Date: Sun, 27 Jun 2021 07:29:29 +0800
From: kernel test robot <lkp@...el.com>
To: Igor Kononenko <i.kononenko@...ro.com>,
Felipe Balbi <balbi@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: kbuild-all@...ts.01.org, openbmc@...ts.ozlabs.org,
Igor Kononenko <i.kononenko@...ro.com>,
linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/6] usb:gadget:mass-storage: refactoring the SCSI
command handling
Hi Igor,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on mkp-scsi/for-next]
[also build test WARNING on scsi/for-next linus/master v5.13-rc7 next-20210625]
[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/Igor-Kononenko/usb-gadget-mass-storage-Improve-the-signature-of-SCSI-handler-function/20210627-061851
base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next
config: m68k-allmodconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
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/92c07dc68c51fab87517c2453d8f249c2565deed
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Igor-Kononenko/usb-gadget-mass-storage-Improve-the-signature-of-SCSI-handler-function/20210627-061851
git checkout 92c07dc68c51fab87517c2453d8f249c2565deed
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k
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/usb/gadget/function/f_mass_storage.c:310:23: warning: initialized field overwritten [-Woverride-init]
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1948:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1948 | { CDB_REG_CHECKER_BLK(READ_6, 6, CDB_SIZE_FIELD_4, DATA_DIR_TO_HOST,
| ^~~~~~~~~~~~~~~~~~~
drivers/usb/gadget/function/f_mass_storage.c:310:23: note: (near initialization for 'cdb_checker_table[6].do_check_command')
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1948:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1948 | { CDB_REG_CHECKER_BLK(READ_6, 6, CDB_SIZE_FIELD_4, DATA_DIR_TO_HOST,
| ^~~~~~~~~~~~~~~~~~~
>> drivers/usb/gadget/function/f_mass_storage.c:310:23: warning: initialized field overwritten [-Woverride-init]
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1950:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1950 | { CDB_REG_CHECKER_BLK(READ_10, 10, CDB_SIZE_FIELD_7, DATA_DIR_TO_HOST,
| ^~~~~~~~~~~~~~~~~~~
drivers/usb/gadget/function/f_mass_storage.c:310:23: note: (near initialization for 'cdb_checker_table[7].do_check_command')
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1950:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1950 | { CDB_REG_CHECKER_BLK(READ_10, 10, CDB_SIZE_FIELD_7, DATA_DIR_TO_HOST,
| ^~~~~~~~~~~~~~~~~~~
>> drivers/usb/gadget/function/f_mass_storage.c:310:23: warning: initialized field overwritten [-Woverride-init]
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1952:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1952 | { CDB_REG_CHECKER_BLK(READ_12, 12, CDB_SIZE_FIELD_6, DATA_DIR_TO_HOST,
| ^~~~~~~~~~~~~~~~~~~
drivers/usb/gadget/function/f_mass_storage.c:310:23: note: (near initialization for 'cdb_checker_table[8].do_check_command')
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1952:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1952 | { CDB_REG_CHECKER_BLK(READ_12, 12, CDB_SIZE_FIELD_6, DATA_DIR_TO_HOST,
| ^~~~~~~~~~~~~~~~~~~
>> drivers/usb/gadget/function/f_mass_storage.c:310:23: warning: initialized field overwritten [-Woverride-init]
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1973:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1973 | { CDB_REG_CHECKER_BLK(VERIFY, 10, CDB_NO_SIZE_FIELD, DATA_DIR_NONE,
| ^~~~~~~~~~~~~~~~~~~
drivers/usb/gadget/function/f_mass_storage.c:310:23: note: (near initialization for 'cdb_checker_table[17].do_check_command')
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1973:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1973 | { CDB_REG_CHECKER_BLK(VERIFY, 10, CDB_NO_SIZE_FIELD, DATA_DIR_NONE,
| ^~~~~~~~~~~~~~~~~~~
>> drivers/usb/gadget/function/f_mass_storage.c:310:23: warning: initialized field overwritten [-Woverride-init]
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1975:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1975 | { CDB_REG_CHECKER_BLK(WRITE_6, 6, CDB_SIZE_FIELD_4, DATA_DIR_FROM_HOST,
| ^~~~~~~~~~~~~~~~~~~
drivers/usb/gadget/function/f_mass_storage.c:310:23: note: (near initialization for 'cdb_checker_table[18].do_check_command')
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1975:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1975 | { CDB_REG_CHECKER_BLK(WRITE_6, 6, CDB_SIZE_FIELD_4, DATA_DIR_FROM_HOST,
| ^~~~~~~~~~~~~~~~~~~
>> drivers/usb/gadget/function/f_mass_storage.c:310:23: warning: initialized field overwritten [-Woverride-init]
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1977:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1977 | { CDB_REG_CHECKER_BLK(WRITE_10, 10, CDB_SIZE_FIELD_7,
| ^~~~~~~~~~~~~~~~~~~
drivers/usb/gadget/function/f_mass_storage.c:310:23: note: (near initialization for 'cdb_checker_table[19].do_check_command')
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1977:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1977 | { CDB_REG_CHECKER_BLK(WRITE_10, 10, CDB_SIZE_FIELD_7,
| ^~~~~~~~~~~~~~~~~~~
>> drivers/usb/gadget/function/f_mass_storage.c:310:23: warning: initialized field overwritten [-Woverride-init]
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1979:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1979 | { CDB_REG_CHECKER_BLK(WRITE_12, 12, CDB_SIZE_FIELD_6,
| ^~~~~~~~~~~~~~~~~~~
drivers/usb/gadget/function/f_mass_storage.c:310:23: note: (near initialization for 'cdb_checker_table[20].do_check_command')
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1979:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1979 | { CDB_REG_CHECKER_BLK(WRITE_12, 12, CDB_SIZE_FIELD_6,
| ^~~~~~~~~~~~~~~~~~~
--
drivers/usb/gadget/function/f_mass_storage.c: In function 'invalidate_sub':
drivers/usb/gadget/function/f_mass_storage.c:1084:16: warning: variable 'rc' set but not used [-Wunused-but-set-variable]
1084 | unsigned long rc;
| ^~
drivers/usb/gadget/function/f_mass_storage.c: At top level:
>> drivers/usb/gadget/function/f_mass_storage.c:310:23: warning: initialized field overwritten [-Woverride-init]
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1948:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1948 | { CDB_REG_CHECKER_BLK(READ_6, 6, CDB_SIZE_FIELD_4, DATA_DIR_TO_HOST,
| ^~~~~~~~~~~~~~~~~~~
drivers/usb/gadget/function/f_mass_storage.c:310:23: note: (near initialization for 'cdb_checker_table[6].do_check_command')
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1948:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1948 | { CDB_REG_CHECKER_BLK(READ_6, 6, CDB_SIZE_FIELD_4, DATA_DIR_TO_HOST,
| ^~~~~~~~~~~~~~~~~~~
>> drivers/usb/gadget/function/f_mass_storage.c:310:23: warning: initialized field overwritten [-Woverride-init]
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1950:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1950 | { CDB_REG_CHECKER_BLK(READ_10, 10, CDB_SIZE_FIELD_7, DATA_DIR_TO_HOST,
| ^~~~~~~~~~~~~~~~~~~
drivers/usb/gadget/function/f_mass_storage.c:310:23: note: (near initialization for 'cdb_checker_table[7].do_check_command')
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1950:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1950 | { CDB_REG_CHECKER_BLK(READ_10, 10, CDB_SIZE_FIELD_7, DATA_DIR_TO_HOST,
| ^~~~~~~~~~~~~~~~~~~
>> drivers/usb/gadget/function/f_mass_storage.c:310:23: warning: initialized field overwritten [-Woverride-init]
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1952:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1952 | { CDB_REG_CHECKER_BLK(READ_12, 12, CDB_SIZE_FIELD_6, DATA_DIR_TO_HOST,
| ^~~~~~~~~~~~~~~~~~~
drivers/usb/gadget/function/f_mass_storage.c:310:23: note: (near initialization for 'cdb_checker_table[8].do_check_command')
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1952:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1952 | { CDB_REG_CHECKER_BLK(READ_12, 12, CDB_SIZE_FIELD_6, DATA_DIR_TO_HOST,
| ^~~~~~~~~~~~~~~~~~~
>> drivers/usb/gadget/function/f_mass_storage.c:310:23: warning: initialized field overwritten [-Woverride-init]
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1973:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1973 | { CDB_REG_CHECKER_BLK(VERIFY, 10, CDB_NO_SIZE_FIELD, DATA_DIR_NONE,
| ^~~~~~~~~~~~~~~~~~~
drivers/usb/gadget/function/f_mass_storage.c:310:23: note: (near initialization for 'cdb_checker_table[17].do_check_command')
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1973:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1973 | { CDB_REG_CHECKER_BLK(VERIFY, 10, CDB_NO_SIZE_FIELD, DATA_DIR_NONE,
| ^~~~~~~~~~~~~~~~~~~
>> drivers/usb/gadget/function/f_mass_storage.c:310:23: warning: initialized field overwritten [-Woverride-init]
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1975:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1975 | { CDB_REG_CHECKER_BLK(WRITE_6, 6, CDB_SIZE_FIELD_4, DATA_DIR_FROM_HOST,
| ^~~~~~~~~~~~~~~~~~~
drivers/usb/gadget/function/f_mass_storage.c:310:23: note: (near initialization for 'cdb_checker_table[18].do_check_command')
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1975:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1975 | { CDB_REG_CHECKER_BLK(WRITE_6, 6, CDB_SIZE_FIELD_4, DATA_DIR_FROM_HOST,
| ^~~~~~~~~~~~~~~~~~~
>> drivers/usb/gadget/function/f_mass_storage.c:310:23: warning: initialized field overwritten [-Woverride-init]
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1977:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1977 | { CDB_REG_CHECKER_BLK(WRITE_10, 10, CDB_SIZE_FIELD_7,
| ^~~~~~~~~~~~~~~~~~~
drivers/usb/gadget/function/f_mass_storage.c:310:23: note: (near initialization for 'cdb_checker_table[19].do_check_command')
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1977:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1977 | { CDB_REG_CHECKER_BLK(WRITE_10, 10, CDB_SIZE_FIELD_7,
| ^~~~~~~~~~~~~~~~~~~
>> drivers/usb/gadget/function/f_mass_storage.c:310:23: warning: initialized field overwritten [-Woverride-init]
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1979:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1979 | { CDB_REG_CHECKER_BLK(WRITE_12, 12, CDB_SIZE_FIELD_6,
| ^~~~~~~~~~~~~~~~~~~
drivers/usb/gadget/function/f_mass_storage.c:310:23: note: (near initialization for 'cdb_checker_table[20].do_check_command')
310 | .do_check_command = &check_command_size_in_blocks
| ^
drivers/usb/gadget/function/f_mass_storage.c:1979:4: note: in expansion of macro 'CDB_REG_CHECKER_BLK'
1979 | { CDB_REG_CHECKER_BLK(WRITE_12, 12, CDB_SIZE_FIELD_6,
| ^~~~~~~~~~~~~~~~~~~
vim +310 drivers/usb/gadget/function/f_mass_storage.c
242
243 /**
244 * @brief The handler of incoming CDB command
245 * @param cmd - SCSI command number
246 * @param callback - The callback of handle the incoming command
247 */
248 #define CDB_REG_HANDLER(cmd, callback) \
249 .command = (cmd), .do_command = (callback), \
250 .type = CDB_HANDLER_COMMON, .name = (#cmd)
251
252 /**
253 * @brief The handler of incoming CDB command
254 * @param cmd - SCSI command nubmer with fsg buffhd
255 * @param callback - The callback of handle the incoming command
256 */
257 #define CDB_REG_HANDLER_BUFFHD(cmd, callback) \
258 .command = (cmd), .do_command_with_buffhd = (callback), \
259 .type = CDB_HANDLER_FSG_BUFFHD, .name = (#cmd)
260
261 /**
262 * @see CDB_REG_CHECKER_DS
263 * @details Register CDB command without additional check handler.
264 */
265 #define CDB_REG_NO_CHECKER(cmd, si, dir, req) \
266 .command = (cmd), .direction = (dir), .size_index = (si), \
267 .medium_required = (req), .do_check_command = NULL,
268
269 /**
270 * @brief Register the CDB command checker, which checks an incoming command
271 * by specified criteria.
272 * This validator will take care of the specified data size (DS)
273 *
274 * @param cmd - SCSI command nubmer
275 * @param s - CDB command size in bytes
276 * @param si - The CDB command might have the recommended response size.
277 * This field indicates the size field index in the input CDB command
278 * buffer
279 * @param dir - Direction of data transfer of requested CDB command
280 * @param mask - Mask of relevant bytes in the input command buffer.
281 * The ordinal number of a bit in the mask indicates that a byte in the
282 * CDB command buffer might be present.
283 * If that ordinal number bit equals zero, only a zero value must be
284 * present in this original byte.
285 * @param req - Indicates that medium MUST be present or might be optional
286 * @param ds - If @param SI member is equal to @enum CDB_SIZE_MANUAL, than this
287 * field indicates the custom response buffer size
288 */
289 #define CDB_REG_CHECKER_DS(cmd, s, si, dir, mask, req, ds) \
290 .command = (cmd), .size = (s), .size_index = (si), .direction = (dir), \
291 .valid_bytes_bitmask = (mask), .medium_required = (req), \
292 .data_size_manual = (ds), .do_check_command = &check_command
293
294 /**
295 * @see CDB_REG_CHECKER_DS
296 * @details The data size is zero.
297 * This macro can't be used with the @enum CDB_SIZE_MANUAL
298 */
299 #define CDB_REG_CHECKER(cmd, s, si, dir, mask, req) \
300 CDB_REG_CHECKER_DS(cmd, s, si, dir, mask, req, 0)
301
302 /**
303 * @see CDB_REG_CHECKER_DS
304 * @details The checker which registried by this macros will validate the input
305 * data size in blocks.
306 * Block size specified by MSF interface type, in the curlun->blksize.
307 */
308 #define CDB_REG_CHECKER_BLK(cmd, s, si, dir, mask, req) \
309 CDB_REG_CHECKER_DS(cmd, s, si, dir, mask, req, 0), \
> 310 .do_check_command = &check_command_size_in_blocks
311
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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