From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com, Dan Carpenter <error27@gmail.com>
Subject: [linux-next:master 4213/4739] lib/test_objagg.c:923 test_hints_case2() error: uninitialized symbol 'errmsg'.
Date: Sat, 28 Jun 2025 14:29:39 +0800 [thread overview]
Message-ID: <202506281403.DsuyHFTZ-lkp@intel.com> (raw)
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: Arnd Bergmann <arnd@arndb.de>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Linux Memory Management List <linux-mm@kvack.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 2aeda9592360c200085898a258c4754bfe879921
commit: 8c8f1e89eb88d49b5bf26eca8185505c18bbbcdf [4213/4739] lib: test_objagg: split test_hints_case() into two functions
:::::: branch date: 21 hours ago
:::::: commit date: 5 days ago
config: powerpc64-randconfig-r072-20250627 (https://download.01.org/0day-ci/archive/20250628/202506281403.DsuyHFTZ-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project e04c938cc08a90ae60440ce22d072ebc69d67ee8)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202506281403.DsuyHFTZ-lkp@intel.com/
smatch warnings:
lib/test_objagg.c:923 test_hints_case2() error: uninitialized symbol 'errmsg'.
vim +/errmsg +923 lib/test_objagg.c
9069a3817d82b0 Jiri Pirko 2019-02-07 908
8c8f1e89eb88d4 Arnd Bergmann 2025-06-20 909 static int test_hints_case2(const struct hints_case *hints_case,
8c8f1e89eb88d4 Arnd Bergmann 2025-06-20 910 struct objagg_hints *hints, struct objagg *objagg)
9069a3817d82b0 Jiri Pirko 2019-02-07 911 {
9069a3817d82b0 Jiri Pirko 2019-02-07 912 struct objagg_obj *objagg_obj;
9069a3817d82b0 Jiri Pirko 2019-02-07 913 struct world world2 = {};
9069a3817d82b0 Jiri Pirko 2019-02-07 914 struct objagg *objagg2;
9069a3817d82b0 Jiri Pirko 2019-02-07 915 const char *errmsg;
9069a3817d82b0 Jiri Pirko 2019-02-07 916 int i;
9069a3817d82b0 Jiri Pirko 2019-02-07 917 int err;
9069a3817d82b0 Jiri Pirko 2019-02-07 918
9069a3817d82b0 Jiri Pirko 2019-02-07 919 pr_debug_hints_stats(hints);
9069a3817d82b0 Jiri Pirko 2019-02-07 920 err = check_expect_hints_stats(hints, &hints_case->expect_stats_hints,
9069a3817d82b0 Jiri Pirko 2019-02-07 921 &errmsg);
9069a3817d82b0 Jiri Pirko 2019-02-07 922 if (err) {
9069a3817d82b0 Jiri Pirko 2019-02-07 @923 pr_err("Hints stats: %s\n", errmsg);
8c8f1e89eb88d4 Arnd Bergmann 2025-06-20 924 return err;
9069a3817d82b0 Jiri Pirko 2019-02-07 925 }
9069a3817d82b0 Jiri Pirko 2019-02-07 926
9069a3817d82b0 Jiri Pirko 2019-02-07 927 objagg2 = objagg_create(&delta_ops, hints, &world2);
951d3d6fcd72f1 Dan Carpenter 2019-02-13 928 if (IS_ERR(objagg2))
951d3d6fcd72f1 Dan Carpenter 2019-02-13 929 return PTR_ERR(objagg2);
9069a3817d82b0 Jiri Pirko 2019-02-07 930
9069a3817d82b0 Jiri Pirko 2019-02-07 931 for (i = 0; i < hints_case->key_ids_count; i++) {
9069a3817d82b0 Jiri Pirko 2019-02-07 932 objagg_obj = world_obj_get(&world2, objagg2,
9069a3817d82b0 Jiri Pirko 2019-02-07 933 hints_case->key_ids[i]);
9069a3817d82b0 Jiri Pirko 2019-02-07 934 if (IS_ERR(objagg_obj)) {
9069a3817d82b0 Jiri Pirko 2019-02-07 935 err = PTR_ERR(objagg_obj);
9069a3817d82b0 Jiri Pirko 2019-02-07 936 goto err_world2_obj_get;
9069a3817d82b0 Jiri Pirko 2019-02-07 937 }
9069a3817d82b0 Jiri Pirko 2019-02-07 938 }
9069a3817d82b0 Jiri Pirko 2019-02-07 939
9069a3817d82b0 Jiri Pirko 2019-02-07 940 pr_debug_stats(objagg2);
9069a3817d82b0 Jiri Pirko 2019-02-07 941 err = check_expect_stats(objagg2, &hints_case->expect_stats_hints,
9069a3817d82b0 Jiri Pirko 2019-02-07 942 &errmsg);
9069a3817d82b0 Jiri Pirko 2019-02-07 943 if (err) {
9069a3817d82b0 Jiri Pirko 2019-02-07 944 pr_err("Stats2: %s\n", errmsg);
9069a3817d82b0 Jiri Pirko 2019-02-07 945 goto err_check_expect_stats2;
9069a3817d82b0 Jiri Pirko 2019-02-07 946 }
9069a3817d82b0 Jiri Pirko 2019-02-07 947
9069a3817d82b0 Jiri Pirko 2019-02-07 948 err = 0;
9069a3817d82b0 Jiri Pirko 2019-02-07 949
9069a3817d82b0 Jiri Pirko 2019-02-07 950 err_check_expect_stats2:
9069a3817d82b0 Jiri Pirko 2019-02-07 951 err_world2_obj_get:
9069a3817d82b0 Jiri Pirko 2019-02-07 952 for (i--; i >= 0; i--)
9069a3817d82b0 Jiri Pirko 2019-02-07 953 world_obj_put(&world2, objagg, hints_case->key_ids[i]);
9069a3817d82b0 Jiri Pirko 2019-02-07 954 i = hints_case->key_ids_count;
a6379f0ad6375a Aditya Pakki 2020-06-12 955 objagg_destroy(objagg2);
8c8f1e89eb88d4 Arnd Bergmann 2025-06-20 956
8c8f1e89eb88d4 Arnd Bergmann 2025-06-20 957 return err;
8c8f1e89eb88d4 Arnd Bergmann 2025-06-20 958 }
8c8f1e89eb88d4 Arnd Bergmann 2025-06-20 959
:::::: The code at line 923 was first introduced by commit
:::::: 9069a3817d82b01b3a55da382c774e3575946130 lib: objagg: implement optimization hints assembly and use hints for object creation
:::::: TO: Jiri Pirko <jiri@mellanox.com>
:::::: CC: David S. Miller <davem@davemloft.net>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-06-28 6:30 UTC|newest]
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