Hi Christian, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on staging/staging-testing] [also build test WARNING on usb/usb-testing linus/master v5.7-rc5 next-20200514] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Christian-Gromm/staging-most-usb-fix-issues-found-in-code-audit/20200514-232235 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 8a01032e02c8a0fb3e9f33791023b62dee73cc03 config: x86_64-allyesconfig (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project a52f10b5a382c040e7ad1ce933cda6c07a4b3a8d) reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>, old ones prefixed by <<): >> drivers/staging/most/usb/usb.c:1010:6: warning: variable 'ret' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] if (!mdev->busy_urbs) ^~~~~~~~~~~~~~~~ drivers/staging/most/usb/usb.c:1092:9: note: uninitialized use occurs here return ret; ^~~ drivers/staging/most/usb/usb.c:1010:2: note: remove the 'if' if its condition is always false if (!mdev->busy_urbs) ^~~~~~~~~~~~~~~~~~~~~ drivers/staging/most/usb/usb.c:1005:6: warning: variable 'ret' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] if (!mdev->ep_address) ^~~~~~~~~~~~~~~~~ drivers/staging/most/usb/usb.c:1092:9: note: uninitialized use occurs here return ret; ^~~ drivers/staging/most/usb/usb.c:1005:2: note: remove the 'if' if its condition is always false if (!mdev->ep_address) ^~~~~~~~~~~~~~~~~~~~~~ drivers/staging/most/usb/usb.c:999:6: warning: variable 'ret' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] if (!mdev->cap) ^~~~~~~~~~ drivers/staging/most/usb/usb.c:1092:9: note: uninitialized use occurs here return ret; ^~~ drivers/staging/most/usb/usb.c:999:2: note: remove the 'if' if its condition is always false if (!mdev->cap) ^~~~~~~~~~~~~~~ drivers/staging/most/usb/usb.c:995:6: warning: variable 'ret' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] if (!mdev->conf) ^~~~~~~~~~~ drivers/staging/most/usb/usb.c:1092:9: note: uninitialized use occurs here return ret; ^~~ drivers/staging/most/usb/usb.c:995:2: note: remove the 'if' if its condition is always false if (!mdev->conf) ^~~~~~~~~~~~~~~~ drivers/staging/most/usb/usb.c:953:9: note: initialize the variable 'ret' to silence this warning int ret; ^ = 0 4 warnings generated. vim +1010 drivers/staging/most/usb/usb.c 869d3acd488c28 drivers/staging/most/usb/usb.c Christian Gromm 2018-09-28 923 723de0f9171eeb drivers/staging/most/usb/usb.c Christian Gromm 2020-01-23 924 static void release_mdev(struct device *dev) 723de0f9171eeb drivers/staging/most/usb/usb.c Christian Gromm 2020-01-23 925 { 723de0f9171eeb drivers/staging/most/usb/usb.c Christian Gromm 2020-01-23 926 struct most_dev *mdev = to_mdev_from_dev(dev); 723de0f9171eeb drivers/staging/most/usb/usb.c Christian Gromm 2020-01-23 927 723de0f9171eeb drivers/staging/most/usb/usb.c Christian Gromm 2020-01-23 928 kfree(mdev); 723de0f9171eeb drivers/staging/most/usb/usb.c Christian Gromm 2020-01-23 929 } a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 930 /** a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 931 * hdm_probe - probe function of USB device driver a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 932 * @interface: Interface of the attached USB device a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 933 * @id: Pointer to the USB ID table. a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 934 * a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 935 * This allocates and initializes the device instance, adds the new a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 936 * entry to the internal list, scans the USB descriptors and registers a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 937 * the interface with the core. a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 938 * Additionally, the DCI objects are created and the hardware is sync'd. a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 939 * a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 940 * Return 0 on success. In case of an error a negative number is returned. a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 941 */ a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 942 static int a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 943 hdm_probe(struct usb_interface *interface, const struct usb_device_id *id) a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 944 { 089612f183efb4 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2016-08-19 945 struct usb_host_interface *usb_iface_desc = interface->cur_altsetting; 089612f183efb4 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2016-08-19 946 struct usb_device *usb_dev = interface_to_usbdev(interface); 089612f183efb4 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2016-08-19 947 struct device *dev = &usb_dev->dev; 089612f183efb4 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2016-08-19 948 struct most_dev *mdev = kzalloc(sizeof(*mdev), GFP_KERNEL); a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 949 unsigned int i; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 950 unsigned int num_endpoints; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 951 struct most_channel_capability *tmp_cap; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 952 struct usb_endpoint_descriptor *ep_desc; 7f704bf88cc1a9 drivers/staging/most/usb/usb.c Christian Gromm 2020-05-14 953 int ret; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 954 a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 955 if (!mdev) 7f704bf88cc1a9 drivers/staging/most/usb/usb.c Christian Gromm 2020-05-14 956 return -ENOMEM; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 957 a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 958 usb_set_intfdata(interface, mdev); a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 959 num_endpoints = usb_iface_desc->desc.bNumEndpoints; 7f704bf88cc1a9 drivers/staging/most/usb/usb.c Christian Gromm 2020-05-14 960 if (num_endpoints > MAX_NUM_ENDPOINTS) { 7f704bf88cc1a9 drivers/staging/most/usb/usb.c Christian Gromm 2020-05-14 961 kfree(mdev); 7f704bf88cc1a9 drivers/staging/most/usb/usb.c Christian Gromm 2020-05-14 962 return -EINVAL; 7f704bf88cc1a9 drivers/staging/most/usb/usb.c Christian Gromm 2020-05-14 963 } a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 964 mutex_init(&mdev->io_mutex); a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 965 INIT_WORK(&mdev->poll_work_obj, wq_netinfo); e99e88a9d2b067 drivers/staging/most/hdm-usb/hdm_usb.c Kees Cook 2017-10-16 966 timer_setup(&mdev->link_stat_timer, link_stat_timer_handler, 0); a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 967 a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 968 mdev->usb_device = usb_dev; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 969 mdev->link_stat_timer.expires = jiffies + (2 * HZ); a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 970 a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 971 mdev->iface.mod = hdm_usb_fops.owner; 723de0f9171eeb drivers/staging/most/usb/usb.c Christian Gromm 2020-01-23 972 mdev->iface.dev = &mdev->dev; 69c90cf1b2faf5 drivers/staging/most/usb/usb.c Christian Gromm 2018-05-08 973 mdev->iface.driver_dev = &interface->dev; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 974 mdev->iface.interface = ITYPE_USB; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 975 mdev->iface.configure = hdm_configure_channel; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 976 mdev->iface.request_netinfo = hdm_request_netinfo; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 977 mdev->iface.enqueue = hdm_enqueue; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 978 mdev->iface.poison_channel = hdm_poison_channel; 3598cec585f8d5 drivers/staging/most/usb/usb.c Christian Gromm 2018-05-08 979 mdev->iface.dma_alloc = hdm_dma_alloc; 3598cec585f8d5 drivers/staging/most/usb/usb.c Christian Gromm 2018-05-08 980 mdev->iface.dma_free = hdm_dma_free; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 981 mdev->iface.description = mdev->description; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 982 mdev->iface.num_channels = num_endpoints; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 983 a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 984 snprintf(mdev->description, sizeof(mdev->description), 5b082c2e07d851 drivers/staging/most/usb/usb.c Christian Gromm 2019-04-03 985 "%d-%s:%d.%d", a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 986 usb_dev->bus->busnum, a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 987 usb_dev->devpath, a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 988 usb_dev->config->desc.bConfigurationValue, a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 989 usb_iface_desc->desc.bInterfaceNumber); a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 990 723de0f9171eeb drivers/staging/most/usb/usb.c Christian Gromm 2020-01-23 991 mdev->dev.init_name = mdev->description; 723de0f9171eeb drivers/staging/most/usb/usb.c Christian Gromm 2020-01-23 992 mdev->dev.parent = &interface->dev; 723de0f9171eeb drivers/staging/most/usb/usb.c Christian Gromm 2020-01-23 993 mdev->dev.release = release_mdev; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 994 mdev->conf = kcalloc(num_endpoints, sizeof(*mdev->conf), GFP_KERNEL); a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 995 if (!mdev->conf) bddd3c2546e9c4 drivers/staging/most/usb/usb.c Christian Gromm 2018-09-21 996 goto err_free_mdev; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 997 a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 998 mdev->cap = kcalloc(num_endpoints, sizeof(*mdev->cap), GFP_KERNEL); a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 999 if (!mdev->cap) bddd3c2546e9c4 drivers/staging/most/usb/usb.c Christian Gromm 2018-09-21 1000 goto err_free_conf; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1001 a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1002 mdev->iface.channel_vector = mdev->cap; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1003 mdev->ep_address = a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1004 kcalloc(num_endpoints, sizeof(*mdev->ep_address), GFP_KERNEL); a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1005 if (!mdev->ep_address) bddd3c2546e9c4 drivers/staging/most/usb/usb.c Christian Gromm 2018-09-21 1006 goto err_free_cap; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1007 27e6245e35bc6c drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2016-09-19 1008 mdev->busy_urbs = 27e6245e35bc6c drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2016-09-19 1009 kcalloc(num_endpoints, sizeof(*mdev->busy_urbs), GFP_KERNEL); 27e6245e35bc6c drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2016-09-19 @1010 if (!mdev->busy_urbs) bddd3c2546e9c4 drivers/staging/most/usb/usb.c Christian Gromm 2018-09-21 1011 goto err_free_ep_address; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1012 a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1013 tmp_cap = mdev->cap; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1014 for (i = 0; i < num_endpoints; i++) { a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1015 ep_desc = &usb_iface_desc->endpoint[i].desc; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1016 mdev->ep_address[i] = ep_desc->bEndpointAddress; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1017 mdev->padding_active[i] = false; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1018 mdev->is_channel_healthy[i] = true; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1019 a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1020 snprintf(&mdev->suffix[i][0], MAX_SUFFIX_LEN, "ep%02x", a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1021 mdev->ep_address[i]); a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1022 a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1023 tmp_cap->name_suffix = &mdev->suffix[i][0]; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1024 tmp_cap->buffer_size_packet = MAX_BUF_SIZE; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1025 tmp_cap->buffer_size_streaming = MAX_BUF_SIZE; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1026 tmp_cap->num_buffers_packet = BUF_CHAIN_SIZE; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1027 tmp_cap->num_buffers_streaming = BUF_CHAIN_SIZE; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1028 tmp_cap->data_type = MOST_CH_CONTROL | MOST_CH_ASYNC | 0540609fe217c3 drivers/staging/most/hdm-usb/hdm_usb.c Andrey Shvetsov 2016-09-21 1029 MOST_CH_ISOC | MOST_CH_SYNC; afd14cef0156bc drivers/staging/most/hdm-usb/hdm_usb.c Sandhya Bankar 2016-03-06 1030 if (usb_endpoint_dir_in(ep_desc)) a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1031 tmp_cap->direction = MOST_CH_RX; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1032 else a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1033 tmp_cap->direction = MOST_CH_TX; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1034 tmp_cap++; 27e6245e35bc6c drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2016-09-19 1035 init_usb_anchor(&mdev->busy_urbs[i]); 88d1878bcaa438 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2016-09-19 1036 spin_lock_init(&mdev->channel_lock[i]); a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1037 } 59ed0480b95032 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-30 1038 dev_notice(dev, "claimed gadget: Vendor=%4.4x ProdID=%4.4x Bus=%02x Device=%02x\n", a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1039 le16_to_cpu(usb_dev->descriptor.idVendor), a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1040 le16_to_cpu(usb_dev->descriptor.idProduct), a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1041 usb_dev->bus->busnum, 59ed0480b95032 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-30 1042 usb_dev->devnum); a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1043 59ed0480b95032 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-30 1044 dev_notice(dev, "device path: /sys/bus/usb/devices/%d-%s:%d.%d\n", a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1045 usb_dev->bus->busnum, a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1046 usb_dev->devpath, a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1047 usb_dev->config->desc.bConfigurationValue, a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1048 usb_iface_desc->desc.bInterfaceNumber); a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1049 4d5f022f3a664e drivers/staging/most/usb/usb.c Christian Gromm 2017-11-21 1050 ret = most_register_interface(&mdev->iface); 4d5f022f3a664e drivers/staging/most/usb/usb.c Christian Gromm 2017-11-21 1051 if (ret) bddd3c2546e9c4 drivers/staging/most/usb/usb.c Christian Gromm 2018-09-21 1052 goto err_free_busy_urbs; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1053 a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1054 mutex_lock(&mdev->io_mutex); 654f7ec4b3b8ac drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2016-08-19 1055 if (le16_to_cpu(usb_dev->descriptor.idProduct) == USB_DEV_ID_OS81118 || 5bf9bd8d19834f drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2016-08-19 1056 le16_to_cpu(usb_dev->descriptor.idProduct) == USB_DEV_ID_OS81119 || 5bf9bd8d19834f drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2016-08-19 1057 le16_to_cpu(usb_dev->descriptor.idProduct) == USB_DEV_ID_OS81210) { 4d5f022f3a664e drivers/staging/most/usb/usb.c Christian Gromm 2017-11-21 1058 mdev->dci = kzalloc(sizeof(*mdev->dci), GFP_KERNEL); a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1059 if (!mdev->dci) { a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1060 mutex_unlock(&mdev->io_mutex); a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1061 most_deregister_interface(&mdev->iface); a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1062 ret = -ENOMEM; bddd3c2546e9c4 drivers/staging/most/usb/usb.c Christian Gromm 2018-09-21 1063 goto err_free_busy_urbs; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1064 } a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1065 4d5f022f3a664e drivers/staging/most/usb/usb.c Christian Gromm 2017-11-21 1066 mdev->dci->dev.init_name = "dci"; 723de0f9171eeb drivers/staging/most/usb/usb.c Christian Gromm 2020-01-23 1067 mdev->dci->dev.parent = get_device(mdev->iface.dev); 4d5f022f3a664e drivers/staging/most/usb/usb.c Christian Gromm 2017-11-21 1068 mdev->dci->dev.groups = dci_attr_groups; 869d3acd488c28 drivers/staging/most/usb/usb.c Christian Gromm 2018-09-28 1069 mdev->dci->dev.release = release_dci; 4d5f022f3a664e drivers/staging/most/usb/usb.c Christian Gromm 2017-11-21 1070 if (device_register(&mdev->dci->dev)) { 4d5f022f3a664e drivers/staging/most/usb/usb.c Christian Gromm 2017-11-21 1071 mutex_unlock(&mdev->io_mutex); 4d5f022f3a664e drivers/staging/most/usb/usb.c Christian Gromm 2017-11-21 1072 most_deregister_interface(&mdev->iface); 4d5f022f3a664e drivers/staging/most/usb/usb.c Christian Gromm 2017-11-21 1073 ret = -ENOMEM; bddd3c2546e9c4 drivers/staging/most/usb/usb.c Christian Gromm 2018-09-21 1074 goto err_free_dci; 4d5f022f3a664e drivers/staging/most/usb/usb.c Christian Gromm 2017-11-21 1075 } a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1076 mdev->dci->usb_device = mdev->usb_device; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1077 } a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1078 mutex_unlock(&mdev->io_mutex); a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1079 return 0; bddd3c2546e9c4 drivers/staging/most/usb/usb.c Christian Gromm 2018-09-21 1080 err_free_dci: 723de0f9171eeb drivers/staging/most/usb/usb.c Christian Gromm 2020-01-23 1081 put_device(&mdev->dci->dev); bddd3c2546e9c4 drivers/staging/most/usb/usb.c Christian Gromm 2018-09-21 1082 err_free_busy_urbs: 27e6245e35bc6c drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2016-09-19 1083 kfree(mdev->busy_urbs); bddd3c2546e9c4 drivers/staging/most/usb/usb.c Christian Gromm 2018-09-21 1084 err_free_ep_address: a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1085 kfree(mdev->ep_address); bddd3c2546e9c4 drivers/staging/most/usb/usb.c Christian Gromm 2018-09-21 1086 err_free_cap: a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1087 kfree(mdev->cap); bddd3c2546e9c4 drivers/staging/most/usb/usb.c Christian Gromm 2018-09-21 1088 err_free_conf: a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1089 kfree(mdev->conf); bddd3c2546e9c4 drivers/staging/most/usb/usb.c Christian Gromm 2018-09-21 1090 err_free_mdev: 723de0f9171eeb drivers/staging/most/usb/usb.c Christian Gromm 2020-01-23 1091 put_device(&mdev->dev); a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1092 return ret; a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1093 } a4198cdf0c3460 drivers/staging/most/hdm-usb/hdm_usb.c Christian Gromm 2015-07-24 1094 :::::: The code at line 1010 was first introduced by commit :::::: 27e6245e35bc6c20c2933d7d8afa562623be1ef5 staging: most: hdm-usb: remove proprietary urb anchoring :::::: TO: Christian Gromm <christian.gromm@xxxxxxxxxxxxx> :::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
Attachment:
.config.gz
Description: application/gzip
