BCC: l...@intel.com CC: kbuild-...@lists.01.org CC: linux-ker...@vger.kernel.org TO: SeongJae Park <s...@kernel.org> CC: Andrew Morton <a...@linux-foundation.org> CC: Linux Memory Management List <linux...@kvack.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 15b3f48a4339e3c16acf18624e2b7f60bc5e9a2c commit: 90bebce9fcd6488ba6b010af3a16a0a0d7e44cb6 mm/damon/dbgfs: allow users to set initial monitoring target regions date: 10 months ago :::::: branch date: 14 hours ago :::::: commit date: 10 months ago config: parisc-randconfig-m031-20220821 (https://download.01.org/0day-ci/archive/20220821/202208212035.pgllmhdc-...@intel.com/config) compiler: hppa-linux-gcc (GCC) 12.1.0 If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <l...@intel.com> Reported-by: Dan Carpenter <dan.carpen...@oracle.com> smatch warnings: mm/damon/dbgfs.c:525 dbgfs_init_regions_write() warn: passing a valid pointer to 'PTR_ERR' vim +/PTR_ERR +525 mm/damon/dbgfs.c 90bebce9fcd648 SeongJae Park 2021-11-05 513 90bebce9fcd648 SeongJae Park 2021-11-05 514 static ssize_t dbgfs_init_regions_write(struct file *file, 90bebce9fcd648 SeongJae Park 2021-11-05 515 const char __user *buf, size_t count, 90bebce9fcd648 SeongJae Park 2021-11-05 516 loff_t *ppos) 90bebce9fcd648 SeongJae Park 2021-11-05 517 { 90bebce9fcd648 SeongJae Park 2021-11-05 518 struct damon_ctx *ctx = file->private_data; 90bebce9fcd648 SeongJae Park 2021-11-05 519 char *kbuf; 90bebce9fcd648 SeongJae Park 2021-11-05 520 ssize_t ret = count; 90bebce9fcd648 SeongJae Park 2021-11-05 521 int err; 90bebce9fcd648 SeongJae Park 2021-11-05 522 90bebce9fcd648 SeongJae Park 2021-11-05 523 kbuf = user_input_str(buf, count, ppos); 90bebce9fcd648 SeongJae Park 2021-11-05 524 if (IS_ERR(kbuf)) 90bebce9fcd648 SeongJae Park 2021-11-05 @525 return PTR_ERR(kbuf); 90bebce9fcd648 SeongJae Park 2021-11-05 526 90bebce9fcd648 SeongJae Park 2021-11-05 527 mutex_lock(&ctx->kdamond_lock); 90bebce9fcd648 SeongJae Park 2021-11-05 528 if (ctx->kdamond) { 90bebce9fcd648 SeongJae Park 2021-11-05 529 ret = -EBUSY; 90bebce9fcd648 SeongJae Park 2021-11-05 530 goto unlock_out; 90bebce9fcd648 SeongJae Park 2021-11-05 531 } 90bebce9fcd648 SeongJae Park 2021-11-05 532 90bebce9fcd648 SeongJae Park 2021-11-05 533 err = set_init_regions(ctx, kbuf, ret); 90bebce9fcd648 SeongJae Park 2021-11-05 534 if (err) 90bebce9fcd648 SeongJae Park 2021-11-05 535 ret = err; 90bebce9fcd648 SeongJae Park 2021-11-05 536 90bebce9fcd648 SeongJae Park 2021-11-05 537 unlock_out: 90bebce9fcd648 SeongJae Park 2021-11-05 538 mutex_unlock(&ctx->kdamond_lock); 90bebce9fcd648 SeongJae Park 2021-11-05 539 kfree(kbuf); 90bebce9fcd648 SeongJae Park 2021-11-05 540 return ret; 90bebce9fcd648 SeongJae Park 2021-11-05 541 } 90bebce9fcd648 SeongJae Park 2021-11-05 542 -- 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
