tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   b463b6f69974867b3b5885de2f488d72e979a751
commit: 12d0c0bed3f473523fbb66db59db7d79982c0aff phy: phy-mtk-tphy: add a new 
reference clock
config: arm64-randconfig-m031-20200925 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
Reported-by: Dan Carpenter <dan.carpen...@oracle.com>

New smatch warnings:
drivers/phy/mediatek/phy-mtk-tphy.c:955 mtk_phy_init() warn: 
'instance->da_ref_clk' not released on lines: 952.

Old smatch warnings:
drivers/phy/mediatek/phy-mtk-tphy.c:955 mtk_phy_init() warn: 
'instance->ref_clk' not released on lines: 952.

vim +955 drivers/phy/mediatek/phy-mtk-tphy.c

8158e917d91cb0b drivers/phy/mediatek/phy-mtk-tphy.c Chunfeng Yun 2018-06-29  
916  
cd4ec4b03dc15b1 drivers/phy/mediatek/phy-mtk-tphy.c Chunfeng Yun 2017-08-03  
917  static int mtk_phy_init(struct phy *phy)
dc7f190fd51f5c6 drivers/phy/phy-mt65xx-usb3.c       Chunfeng Yun 2015-09-29  
918  {
cd4ec4b03dc15b1 drivers/phy/mediatek/phy-mtk-tphy.c Chunfeng Yun 2017-08-03  
919        struct mtk_phy_instance *instance = phy_get_drvdata(phy);
cd4ec4b03dc15b1 drivers/phy/mediatek/phy-mtk-tphy.c Chunfeng Yun 2017-08-03  
920        struct mtk_tphy *tphy = dev_get_drvdata(phy->dev.parent);
dc7f190fd51f5c6 drivers/phy/phy-mt65xx-usb3.c       Chunfeng Yun 2015-09-29  
921        int ret;
dc7f190fd51f5c6 drivers/phy/phy-mt65xx-usb3.c       Chunfeng Yun 2015-09-29  
922  
15de15c6b45b87a drivers/phy/phy-mt65xx-usb3.c       Chunfeng Yun 2017-03-31  
923        ret = clk_prepare_enable(instance->ref_clk);
15de15c6b45b87a drivers/phy/phy-mt65xx-usb3.c       Chunfeng Yun 2017-03-31  
924        if (ret) {
cd4ec4b03dc15b1 drivers/phy/mediatek/phy-mtk-tphy.c Chunfeng Yun 2017-08-03  
925                dev_err(tphy->dev, "failed to enable ref_clk\n");
15de15c6b45b87a drivers/phy/phy-mt65xx-usb3.c       Chunfeng Yun 2017-03-31  
926                return ret;
15de15c6b45b87a drivers/phy/phy-mt65xx-usb3.c       Chunfeng Yun 2017-03-31  
927        }
15de15c6b45b87a drivers/phy/phy-mt65xx-usb3.c       Chunfeng Yun 2017-03-31  
928  
12d0c0bed3f4735 drivers/phy/mediatek/phy-mtk-tphy.c Chunfeng Yun 2020-02-11  
929        ret = clk_prepare_enable(instance->da_ref_clk);
12d0c0bed3f4735 drivers/phy/mediatek/phy-mtk-tphy.c Chunfeng Yun 2020-02-11  
930        if (ret) {
12d0c0bed3f4735 drivers/phy/mediatek/phy-mtk-tphy.c Chunfeng Yun 2020-02-11  
931                dev_err(tphy->dev, "failed to enable da_ref\n");
12d0c0bed3f4735 drivers/phy/mediatek/phy-mtk-tphy.c Chunfeng Yun 2020-02-11  
932                clk_disable_unprepare(instance->ref_clk);
12d0c0bed3f4735 drivers/phy/mediatek/phy-mtk-tphy.c Chunfeng Yun 2020-02-11  
933                return ret;
12d0c0bed3f4735 drivers/phy/mediatek/phy-mtk-tphy.c Chunfeng Yun 2020-02-11  
934        }
12d0c0bed3f4735 drivers/phy/mediatek/phy-mtk-tphy.c Chunfeng Yun 2020-02-11  
935  
44a6d6ce6436a2b drivers/phy/phy-mt65xx-usb3.c       Ryder Lee    2017-08-03  
936        switch (instance->type) {
44a6d6ce6436a2b drivers/phy/phy-mt65xx-usb3.c       Ryder Lee    2017-08-03  
937        case PHY_TYPE_USB2:
cd4ec4b03dc15b1 drivers/phy/mediatek/phy-mtk-tphy.c Chunfeng Yun 2017-08-03  
938                u2_phy_instance_init(tphy, instance);
8158e917d91cb0b drivers/phy/mediatek/phy-mtk-tphy.c Chunfeng Yun 2018-06-29  
939                u2_phy_props_set(tphy, instance);
44a6d6ce6436a2b drivers/phy/phy-mt65xx-usb3.c       Ryder Lee    2017-08-03  
940                break;
44a6d6ce6436a2b drivers/phy/phy-mt65xx-usb3.c       Ryder Lee    2017-08-03  
941        case PHY_TYPE_USB3:
cd4ec4b03dc15b1 drivers/phy/mediatek/phy-mtk-tphy.c Chunfeng Yun 2017-08-03  
942                u3_phy_instance_init(tphy, instance);
44a6d6ce6436a2b drivers/phy/phy-mt65xx-usb3.c       Ryder Lee    2017-08-03  
943                break;
44a6d6ce6436a2b drivers/phy/phy-mt65xx-usb3.c       Ryder Lee    2017-08-03  
944        case PHY_TYPE_PCIE:
cd4ec4b03dc15b1 drivers/phy/mediatek/phy-mtk-tphy.c Chunfeng Yun 2017-08-03  
945                pcie_phy_instance_init(tphy, instance);
44a6d6ce6436a2b drivers/phy/phy-mt65xx-usb3.c       Ryder Lee    2017-08-03  
946                break;
4ab26cb66a8cb3c drivers/phy/phy-mt65xx-usb3.c       Ryder Lee    2017-08-03  
947        case PHY_TYPE_SATA:
cd4ec4b03dc15b1 drivers/phy/mediatek/phy-mtk-tphy.c Chunfeng Yun 2017-08-03  
948                sata_phy_instance_init(tphy, instance);
4ab26cb66a8cb3c drivers/phy/phy-mt65xx-usb3.c       Ryder Lee    2017-08-03  
949                break;
44a6d6ce6436a2b drivers/phy/phy-mt65xx-usb3.c       Ryder Lee    2017-08-03  
950        default:
cd4ec4b03dc15b1 drivers/phy/mediatek/phy-mtk-tphy.c Chunfeng Yun 2017-08-03  
951                dev_err(tphy->dev, "incompatible PHY type\n");
44a6d6ce6436a2b drivers/phy/phy-mt65xx-usb3.c       Ryder Lee    2017-08-03  
952                return -EINVAL;

Cleanup before returning?

clk_disable_unprepare(instance->ref_clk);
clk_disable_unprepare(instance->da_ref_clk);
return -EINVAL;

44a6d6ce6436a2b drivers/phy/phy-mt65xx-usb3.c       Ryder Lee    2017-08-03  
953        }
04466efca58f69f drivers/phy/phy-mt65xx-usb3.c       Chunfeng Yun 2017-03-31  
954  
dc7f190fd51f5c6 drivers/phy/phy-mt65xx-usb3.c       Chunfeng Yun 2015-09-29 
@955        return 0;
dc7f190fd51f5c6 drivers/phy/phy-mt65xx-usb3.c       Chunfeng Yun 2015-09-29  
956  }
dc7f190fd51f5c6 drivers/phy/phy-mt65xx-usb3.c       Chunfeng Yun 2015-09-29  
957  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org

Attachment: .config.gz
Description: application/gzip

Reply via email to