CC: kbuild-...@lists.01.org BCC: l...@intel.com CC: Linux Memory Management List <linux...@kvack.org> TO: Sean Nyekjaer <s...@geanix.com> CC: Miquel Raynal <miquel.ray...@bootlin.com> CC: Boris Brezillon <bbrezil...@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 6d72dda014a4753974eb08950089ddf71fec4f60 commit: 8cba323437a49a45756d661f500b324fc2d486fe [4068/13576] mtd: rawnand: protect access to rawnand devices while in suspend :::::: branch date: 2 days ago :::::: commit date: 6 weeks ago config: x86_64-randconfig-c002 (https://download.01.org/0day-ci/archive/20220320/202203202014.mpjhgm7h-...@intel.com/config) compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04) 9.4.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> Reported-by: Julia Lawall <julia.law...@lip6.fr> cocci warnings: (new ones prefixed by >>) >> drivers/mtd/nand/raw/nand_base.c:348:3-9: preceding lock on line 345 vim +348 drivers/mtd/nand/raw/nand_base.c 99f3351a6d6e03 Boris Brezillon 2018-11-11 332 99f3351a6d6e03 Boris Brezillon 2018-11-11 333 /** 99f3351a6d6e03 Boris Brezillon 2018-11-11 334 * nand_get_device - [GENERIC] Get chip for selected access 99f3351a6d6e03 Boris Brezillon 2018-11-11 335 * @chip: NAND chip structure 99f3351a6d6e03 Boris Brezillon 2018-11-11 336 * 013e6292aaf5e4 Boris Brezillon 2018-11-20 337 * Lock the device and its controller for exclusive access 013e6292aaf5e4 Boris Brezillon 2018-11-20 338 * 013e6292aaf5e4 Boris Brezillon 2018-11-20 339 * Return: -EBUSY if the chip has been suspended, 0 otherwise 99f3351a6d6e03 Boris Brezillon 2018-11-11 340 */ 8cba323437a49a Sean Nyekjaer 2022-02-08 341 static void nand_get_device(struct nand_chip *chip) 99f3351a6d6e03 Boris Brezillon 2018-11-11 342 { 8cba323437a49a Sean Nyekjaer 2022-02-08 343 /* Wait until the device is resumed. */ 8cba323437a49a Sean Nyekjaer 2022-02-08 344 while (1) { 013e6292aaf5e4 Boris Brezillon 2018-11-20 @345 mutex_lock(&chip->lock); 8cba323437a49a Sean Nyekjaer 2022-02-08 346 if (!chip->suspended) { 013e6292aaf5e4 Boris Brezillon 2018-11-20 347 mutex_lock(&chip->controller->lock); 8cba323437a49a Sean Nyekjaer 2022-02-08 @348 return; 8cba323437a49a Sean Nyekjaer 2022-02-08 349 } 8cba323437a49a Sean Nyekjaer 2022-02-08 350 mutex_unlock(&chip->lock); 013e6292aaf5e4 Boris Brezillon 2018-11-20 351 8cba323437a49a Sean Nyekjaer 2022-02-08 352 wait_event(chip->resume_wq, !chip->suspended); 8cba323437a49a Sean Nyekjaer 2022-02-08 353 } 99f3351a6d6e03 Boris Brezillon 2018-11-11 354 } 99f3351a6d6e03 Boris Brezillon 2018-11-11 355 -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
