tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 69b41ac87e4a664de78a395ff97166f0b2943210 commit: 61890ccaefaff89f5babd2c8412fd222c3f5fe38 media: platform: mtk-mdp3: add MediaTek MDP3 driver config: ia64-randconfig-m041-20230101 compiler: ia64-linux-gcc (GCC) 12.1.0 If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Reported-by: Dan Carpenter <error27@xxxxxxxxx> New smatch warnings: drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c:992 mdp_comp_config() warn: missing unwind goto? Old smatch warnings: drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c:872 mdp_comp_create() warn: passing devm_ allocated variable to kfree. 'comp' vim +992 drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c 61890ccaefaff8 Moudy Ho 2022-08-23 939 int mdp_comp_config(struct mdp_dev *mdp) 61890ccaefaff8 Moudy Ho 2022-08-23 940 { 61890ccaefaff8 Moudy Ho 2022-08-23 941 struct device *dev = &mdp->pdev->dev; 61890ccaefaff8 Moudy Ho 2022-08-23 942 struct device_node *node, *parent; 61890ccaefaff8 Moudy Ho 2022-08-23 943 struct platform_device *pdev; 61890ccaefaff8 Moudy Ho 2022-08-23 944 int ret; 61890ccaefaff8 Moudy Ho 2022-08-23 945 61890ccaefaff8 Moudy Ho 2022-08-23 946 memset(mdp_comp_alias_id, 0, sizeof(mdp_comp_alias_id)); 61890ccaefaff8 Moudy Ho 2022-08-23 947 61890ccaefaff8 Moudy Ho 2022-08-23 948 parent = dev->of_node->parent; 61890ccaefaff8 Moudy Ho 2022-08-23 949 /* Iterate over sibling MDP function blocks */ 61890ccaefaff8 Moudy Ho 2022-08-23 950 for_each_child_of_node(parent, node) { 61890ccaefaff8 Moudy Ho 2022-08-23 951 const struct of_device_id *of_id; 61890ccaefaff8 Moudy Ho 2022-08-23 952 enum mdp_comp_type type; 61890ccaefaff8 Moudy Ho 2022-08-23 953 int id, alias_id; 61890ccaefaff8 Moudy Ho 2022-08-23 954 struct mdp_comp *comp; 61890ccaefaff8 Moudy Ho 2022-08-23 955 61890ccaefaff8 Moudy Ho 2022-08-23 956 of_id = of_match_node(mdp_comp_dt_ids, node); 61890ccaefaff8 Moudy Ho 2022-08-23 957 if (!of_id) 61890ccaefaff8 Moudy Ho 2022-08-23 958 continue; 61890ccaefaff8 Moudy Ho 2022-08-23 959 61890ccaefaff8 Moudy Ho 2022-08-23 960 if (!of_device_is_available(node)) { 61890ccaefaff8 Moudy Ho 2022-08-23 961 dev_dbg(dev, "Skipping disabled component %pOF\n", 61890ccaefaff8 Moudy Ho 2022-08-23 962 node); 61890ccaefaff8 Moudy Ho 2022-08-23 963 continue; 61890ccaefaff8 Moudy Ho 2022-08-23 964 } 61890ccaefaff8 Moudy Ho 2022-08-23 965 61890ccaefaff8 Moudy Ho 2022-08-23 966 type = (enum mdp_comp_type)(uintptr_t)of_id->data; 61890ccaefaff8 Moudy Ho 2022-08-23 967 alias_id = mdp_comp_alias_id[type]; 61890ccaefaff8 Moudy Ho 2022-08-23 968 id = mdp_comp_get_id(type, alias_id); 61890ccaefaff8 Moudy Ho 2022-08-23 969 if (id < 0) { 61890ccaefaff8 Moudy Ho 2022-08-23 970 dev_err(dev, 61890ccaefaff8 Moudy Ho 2022-08-23 971 "Fail to get component id: type %d alias %d\n", 61890ccaefaff8 Moudy Ho 2022-08-23 972 type, alias_id); 61890ccaefaff8 Moudy Ho 2022-08-23 973 continue; 61890ccaefaff8 Moudy Ho 2022-08-23 974 } 61890ccaefaff8 Moudy Ho 2022-08-23 975 mdp_comp_alias_id[type]++; 61890ccaefaff8 Moudy Ho 2022-08-23 976 61890ccaefaff8 Moudy Ho 2022-08-23 977 comp = mdp_comp_create(mdp, node, id); 61890ccaefaff8 Moudy Ho 2022-08-23 978 if (IS_ERR(comp)) { 61890ccaefaff8 Moudy Ho 2022-08-23 979 ret = PTR_ERR(comp); 61890ccaefaff8 Moudy Ho 2022-08-23 980 goto err_init_comps; 61890ccaefaff8 Moudy Ho 2022-08-23 981 } 61890ccaefaff8 Moudy Ho 2022-08-23 982 61890ccaefaff8 Moudy Ho 2022-08-23 983 /* Only DMA capable components need the pm control */ 61890ccaefaff8 Moudy Ho 2022-08-23 984 comp->comp_dev = NULL; 61890ccaefaff8 Moudy Ho 2022-08-23 985 if (!is_dma_capable(comp->type)) 61890ccaefaff8 Moudy Ho 2022-08-23 986 continue; 61890ccaefaff8 Moudy Ho 2022-08-23 987 61890ccaefaff8 Moudy Ho 2022-08-23 988 pdev = of_find_device_by_node(node); 61890ccaefaff8 Moudy Ho 2022-08-23 989 if (!pdev) { 61890ccaefaff8 Moudy Ho 2022-08-23 990 dev_warn(dev, "can't find platform device of node:%s\n", 61890ccaefaff8 Moudy Ho 2022-08-23 991 node->name); 61890ccaefaff8 Moudy Ho 2022-08-23 @992 return -ENODEV; Presumably this should be "goto err_init_comps;" but I have not looked at the context out side of this email. Normally for loops it's better to clean up the partial iteration before doing the goto. So undo the mdp_comp_create() and then goto. But again I have no context for this code. 61890ccaefaff8 Moudy Ho 2022-08-23 993 } 61890ccaefaff8 Moudy Ho 2022-08-23 994 61890ccaefaff8 Moudy Ho 2022-08-23 995 comp->comp_dev = &pdev->dev; 61890ccaefaff8 Moudy Ho 2022-08-23 996 pm_runtime_enable(comp->comp_dev); 61890ccaefaff8 Moudy Ho 2022-08-23 997 } 61890ccaefaff8 Moudy Ho 2022-08-23 998 61890ccaefaff8 Moudy Ho 2022-08-23 999 ret = mdp_comp_sub_create(mdp); 61890ccaefaff8 Moudy Ho 2022-08-23 1000 if (ret) 61890ccaefaff8 Moudy Ho 2022-08-23 1001 goto err_init_comps; 61890ccaefaff8 Moudy Ho 2022-08-23 1002 61890ccaefaff8 Moudy Ho 2022-08-23 1003 return 0; 61890ccaefaff8 Moudy Ho 2022-08-23 1004 61890ccaefaff8 Moudy Ho 2022-08-23 1005 err_init_comps: 61890ccaefaff8 Moudy Ho 2022-08-23 1006 mdp_comp_destroy(mdp); 61890ccaefaff8 Moudy Ho 2022-08-23 1007 return ret; 61890ccaefaff8 Moudy Ho 2022-08-23 1008 } -- 0-DAY CI Kernel Test Service https://01.org/lkp