From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com, Dan Carpenter <error27@gmail.com>
Subject: [usb:usb-testing 61/66] drivers/usb/gadget/function/f_hid.c:1291 hidg_bind() warn: missing error code 'status'
Date: Fri, 03 Apr 2026 16:40:13 +0800 [thread overview]
Message-ID: <202604022131.fEHaGZ7Q-lkp@intel.com> (raw)
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-usb@vger.kernel.org
TO: Michael Zimmermann <sigmaepsilon92@gmail.com>
CC: "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
head: 74a2287209a858470d15e2996ead2337bd293ff4
commit: 81ebd43cc0d6d106ce7b6ccbf7b5e40ca7f5503d [61/66] usb: gadget: f_hid: don't call cdev_init while cdev in use
:::::: branch date: 5 hours ago
:::::: commit date: 3 days ago
config: i386-randconfig-141-20260402 (https://download.01.org/0day-ci/archive/20260402/202604022131.fEHaGZ7Q-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
smatch: v0.5.0-9004-gb810ac53
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/202604022131.fEHaGZ7Q-lkp@intel.com/
smatch warnings:
drivers/usb/gadget/function/f_hid.c:1291 hidg_bind() warn: missing error code 'status'
vim +/status +1291 drivers/usb/gadget/function/f_hid.c
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1146
cb382536052fcc drivers/usb/gadget/function/f_hid.c Andrzej Pietrasiewicz 2014-11-06 1147 static int hidg_bind(struct usb_configuration *c, struct usb_function *f)
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1148 {
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1149 struct usb_ep *ep;
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1150 struct f_hidg *hidg = func_to_hidg(f);
5ca8d3ec9970f4 drivers/usb/gadget/function/f_hid.c Andrzej Pietrasiewicz 2014-11-06 1151 struct usb_string *us;
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1152 int status;
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1153
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1154 hidg->get_req = usb_ep_alloc_request(c->cdev->gadget->ep0, GFP_ATOMIC);
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1155 if (!hidg->get_req)
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1156 return -ENOMEM;
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1157
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1158 hidg->get_req->zero = 0;
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1159 hidg->get_req->complete = hidg_get_report_complete;
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1160 hidg->get_req->context = hidg;
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1161 hidg->get_report_returned = true;
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1162
cb382536052fcc drivers/usb/gadget/function/f_hid.c Andrzej Pietrasiewicz 2014-11-06 1163 /* maybe allocate device-global string IDs, and patch descriptors */
5ca8d3ec9970f4 drivers/usb/gadget/function/f_hid.c Andrzej Pietrasiewicz 2014-11-06 1164 us = usb_gstrings_attach(c->cdev, ct_func_strings,
5ca8d3ec9970f4 drivers/usb/gadget/function/f_hid.c Andrzej Pietrasiewicz 2014-11-06 1165 ARRAY_SIZE(ct_func_string_defs));
5ca8d3ec9970f4 drivers/usb/gadget/function/f_hid.c Andrzej Pietrasiewicz 2014-11-06 1166 if (IS_ERR(us))
5ca8d3ec9970f4 drivers/usb/gadget/function/f_hid.c Andrzej Pietrasiewicz 2014-11-06 1167 return PTR_ERR(us);
5ca8d3ec9970f4 drivers/usb/gadget/function/f_hid.c Andrzej Pietrasiewicz 2014-11-06 1168 hidg_interface_desc.iInterface = us[CT_FUNC_HID_IDX].id;
cb382536052fcc drivers/usb/gadget/function/f_hid.c Andrzej Pietrasiewicz 2014-11-06 1169
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1170 /* allocate instance-specific interface IDs, and patch descriptors */
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1171 status = usb_interface_id(c, f);
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1172 if (status < 0)
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1173 goto fail;
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1174 hidg_interface_desc.bInterfaceNumber = status;
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1175
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1176 /* allocate instance-specific endpoints */
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1177 status = -ENODEV;
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1178 ep = usb_ep_autoconfig(c->cdev->gadget, &hidg_fs_in_ep_desc);
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1179 if (!ep)
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1180 goto fail;
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1181 hidg->in_ep = ep;
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1182
d7428bc26fc767 drivers/usb/gadget/function/f_hid.c Maxim Devaev 2021-08-21 1183 hidg->out_ep = NULL;
d7428bc26fc767 drivers/usb/gadget/function/f_hid.c Maxim Devaev 2021-08-21 1184 if (hidg->use_out_ep) {
99c515005857ff drivers/usb/gadget/f_hid.c Daniel Mack 2012-06-13 1185 ep = usb_ep_autoconfig(c->cdev->gadget, &hidg_fs_out_ep_desc);
99c515005857ff drivers/usb/gadget/f_hid.c Daniel Mack 2012-06-13 1186 if (!ep)
99c515005857ff drivers/usb/gadget/f_hid.c Daniel Mack 2012-06-13 1187 goto fail;
99c515005857ff drivers/usb/gadget/f_hid.c Daniel Mack 2012-06-13 1188 hidg->out_ep = ep;
d7428bc26fc767 drivers/usb/gadget/function/f_hid.c Maxim Devaev 2021-08-21 1189 }
d7428bc26fc767 drivers/usb/gadget/function/f_hid.c Maxim Devaev 2021-08-21 1190
d7428bc26fc767 drivers/usb/gadget/function/f_hid.c Maxim Devaev 2021-08-21 1191 /* used only if use_out_ep == 1 */
d7428bc26fc767 drivers/usb/gadget/function/f_hid.c Maxim Devaev 2021-08-21 1192 hidg->set_report_buf = NULL;
99c515005857ff drivers/usb/gadget/f_hid.c Daniel Mack 2012-06-13 1193
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1194 /* set descriptor dynamic values */
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1195 hidg_interface_desc.bInterfaceSubClass = hidg->bInterfaceSubClass;
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1196 hidg_interface_desc.bInterfaceProtocol = hidg->bInterfaceProtocol;
d7428bc26fc767 drivers/usb/gadget/function/f_hid.c Maxim Devaev 2021-08-21 1197 hidg_interface_desc.bNumEndpoints = hidg->use_out_ep ? 2 : 1;
b3c4ec71ec413c drivers/usb/gadget/function/f_hid.c Abdulhadi Mohamed 2017-07-19 1198 hidg->protocol = HID_REPORT_PROTOCOL;
afcff6dc690e24 drivers/usb/gadget/function/f_hid.c Maxim Devaev 2021-07-21 1199 hidg->idle = 1;
dbf499cf720a00 drivers/usb/gadget/function/f_hid.c Janusz Dziedzic 2016-11-03 1200 hidg_ss_in_ep_desc.wMaxPacketSize = cpu_to_le16(hidg->report_length);
dbf499cf720a00 drivers/usb/gadget/function/f_hid.c Janusz Dziedzic 2016-11-03 1201 hidg_ss_in_comp_desc.wBytesPerInterval =
dbf499cf720a00 drivers/usb/gadget/function/f_hid.c Janusz Dziedzic 2016-11-03 1202 cpu_to_le16(hidg->report_length);
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1203 hidg_hs_in_ep_desc.wMaxPacketSize = cpu_to_le16(hidg->report_length);
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1204 hidg_fs_in_ep_desc.wMaxPacketSize = cpu_to_le16(hidg->report_length);
dbf499cf720a00 drivers/usb/gadget/function/f_hid.c Janusz Dziedzic 2016-11-03 1205 hidg_ss_out_ep_desc.wMaxPacketSize = cpu_to_le16(hidg->report_length);
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1206
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1207 /* IN endpoints: FS default=10ms, HS default=4µ-frame; user override if set */
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1208 if (!hidg->interval_user_set) {
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1209 hidg_fs_in_ep_desc.bInterval = 10;
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1210 hidg_hs_in_ep_desc.bInterval = 4;
7f58b4148ef5d8 drivers/usb/gadget/function/f_hid.c John Keeping 2026-02-27 1211 hidg_ss_in_ep_desc.bInterval = 4;
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1212 } else {
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1213 hidg_fs_in_ep_desc.bInterval = hidg->interval;
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1214 hidg_hs_in_ep_desc.bInterval = hidg->interval;
7f58b4148ef5d8 drivers/usb/gadget/function/f_hid.c John Keeping 2026-02-27 1215 hidg_ss_in_ep_desc.bInterval = hidg->interval;
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1216 }
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1217
dbf499cf720a00 drivers/usb/gadget/function/f_hid.c Janusz Dziedzic 2016-11-03 1218 hidg_ss_out_comp_desc.wBytesPerInterval =
dbf499cf720a00 drivers/usb/gadget/function/f_hid.c Janusz Dziedzic 2016-11-03 1219 cpu_to_le16(hidg->report_length);
99c515005857ff drivers/usb/gadget/f_hid.c Daniel Mack 2012-06-13 1220 hidg_hs_out_ep_desc.wMaxPacketSize = cpu_to_le16(hidg->report_length);
99c515005857ff drivers/usb/gadget/f_hid.c Daniel Mack 2012-06-13 1221 hidg_fs_out_ep_desc.wMaxPacketSize = cpu_to_le16(hidg->report_length);
f286d487e9283a drivers/usb/gadget/function/f_hid.c Krzysztof Opasiak 2015-03-27 1222 /*
f286d487e9283a drivers/usb/gadget/function/f_hid.c Krzysztof Opasiak 2015-03-27 1223 * We can use hidg_desc struct here but we should not relay
f286d487e9283a drivers/usb/gadget/function/f_hid.c Krzysztof Opasiak 2015-03-27 1224 * that its content won't change after returning from this function.
f286d487e9283a drivers/usb/gadget/function/f_hid.c Krzysztof Opasiak 2015-03-27 1225 */
fe7f7ac8e0c708 drivers/usb/gadget/function/f_hid.c Terry Junge 2025-03-12 1226 hidg_desc.rpt_desc.bDescriptorType = HID_DT_REPORT;
fe7f7ac8e0c708 drivers/usb/gadget/function/f_hid.c Terry Junge 2025-03-12 1227 hidg_desc.rpt_desc.wDescriptorLength =
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1228 cpu_to_le16(hidg->report_desc_length);
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1229
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1230 hidg_hs_in_ep_desc.bEndpointAddress =
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1231 hidg_fs_in_ep_desc.bEndpointAddress;
99c515005857ff drivers/usb/gadget/f_hid.c Daniel Mack 2012-06-13 1232 hidg_hs_out_ep_desc.bEndpointAddress =
99c515005857ff drivers/usb/gadget/f_hid.c Daniel Mack 2012-06-13 1233 hidg_fs_out_ep_desc.bEndpointAddress;
10287baec761d3 drivers/usb/gadget/f_hid.c Sebastian Andrzej Siewior 2012-10-22 1234
dbf499cf720a00 drivers/usb/gadget/function/f_hid.c Janusz Dziedzic 2016-11-03 1235 hidg_ss_in_ep_desc.bEndpointAddress =
dbf499cf720a00 drivers/usb/gadget/function/f_hid.c Janusz Dziedzic 2016-11-03 1236 hidg_fs_in_ep_desc.bEndpointAddress;
dbf499cf720a00 drivers/usb/gadget/function/f_hid.c Janusz Dziedzic 2016-11-03 1237 hidg_ss_out_ep_desc.bEndpointAddress =
dbf499cf720a00 drivers/usb/gadget/function/f_hid.c Janusz Dziedzic 2016-11-03 1238 hidg_fs_out_ep_desc.bEndpointAddress;
dbf499cf720a00 drivers/usb/gadget/function/f_hid.c Janusz Dziedzic 2016-11-03 1239
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1240 if (hidg->use_out_ep) {
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1241 /* OUT endpoints: same defaults (FS=10, HS=4) unless user set */
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1242 if (!hidg->interval_user_set) {
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1243 hidg_fs_out_ep_desc.bInterval = 10;
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1244 hidg_hs_out_ep_desc.bInterval = 4;
7f58b4148ef5d8 drivers/usb/gadget/function/f_hid.c John Keeping 2026-02-27 1245 hidg_ss_out_ep_desc.bInterval = 4;
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1246 } else {
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1247 hidg_fs_out_ep_desc.bInterval = hidg->interval;
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1248 hidg_hs_out_ep_desc.bInterval = hidg->interval;
7f58b4148ef5d8 drivers/usb/gadget/function/f_hid.c John Keeping 2026-02-27 1249 hidg_ss_out_ep_desc.bInterval = hidg->interval;
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1250 }
d7428bc26fc767 drivers/usb/gadget/function/f_hid.c Maxim Devaev 2021-08-21 1251 status = usb_assign_descriptors(f,
d7428bc26fc767 drivers/usb/gadget/function/f_hid.c Maxim Devaev 2021-08-21 1252 hidg_fs_descriptors_intout,
d7428bc26fc767 drivers/usb/gadget/function/f_hid.c Maxim Devaev 2021-08-21 1253 hidg_hs_descriptors_intout,
d7428bc26fc767 drivers/usb/gadget/function/f_hid.c Maxim Devaev 2021-08-21 1254 hidg_ss_descriptors_intout,
d7428bc26fc767 drivers/usb/gadget/function/f_hid.c Maxim Devaev 2021-08-21 1255 hidg_ss_descriptors_intout);
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1256 } else {
d7428bc26fc767 drivers/usb/gadget/function/f_hid.c Maxim Devaev 2021-08-21 1257 status = usb_assign_descriptors(f,
d7428bc26fc767 drivers/usb/gadget/function/f_hid.c Maxim Devaev 2021-08-21 1258 hidg_fs_descriptors_ssreport,
d7428bc26fc767 drivers/usb/gadget/function/f_hid.c Maxim Devaev 2021-08-21 1259 hidg_hs_descriptors_ssreport,
d7428bc26fc767 drivers/usb/gadget/function/f_hid.c Maxim Devaev 2021-08-21 1260 hidg_ss_descriptors_ssreport,
d7428bc26fc767 drivers/usb/gadget/function/f_hid.c Maxim Devaev 2021-08-21 1261 hidg_ss_descriptors_ssreport);
ea34925f5b2ee4 drivers/usb/gadget/function/f_hid.c Ben Hoff 2025-04-29 1262 }
10287baec761d3 drivers/usb/gadget/f_hid.c Sebastian Andrzej Siewior 2012-10-22 1263 if (status)
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1264 goto fail;
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1265
33e4c1a9987a1f drivers/usb/gadget/function/f_hid.c Krzysztof Opasiak 2017-01-19 1266 spin_lock_init(&hidg->write_spinlock);
749494b6bdbbaf drivers/usb/gadget/function/f_hid.c Krzysztof Opasiak 2017-01-24 1267 hidg->write_pending = 1;
749494b6bdbbaf drivers/usb/gadget/function/f_hid.c Krzysztof Opasiak 2017-01-24 1268 hidg->req = NULL;
33e4c1a9987a1f drivers/usb/gadget/function/f_hid.c Krzysztof Opasiak 2017-01-19 1269 spin_lock_init(&hidg->read_spinlock);
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1270 spin_lock_init(&hidg->get_report_spinlock);
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1271 init_waitqueue_head(&hidg->write_queue);
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1272 init_waitqueue_head(&hidg->read_queue);
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1273 init_waitqueue_head(&hidg->get_queue);
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1274 init_waitqueue_head(&hidg->get_id_queue);
99c515005857ff drivers/usb/gadget/f_hid.c Daniel Mack 2012-06-13 1275 INIT_LIST_HEAD(&hidg->completed_out_req);
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1276 INIT_LIST_HEAD(&hidg->report_list);
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1277
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1278 INIT_WORK(&hidg->work, get_report_workqueue_handler);
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1279 hidg->workqueue = alloc_workqueue("report_work",
e91bbe082878c9 drivers/usb/gadget/function/f_hid.c Marco Crivellari 2025-11-07 1280 WQ_FREEZABLE | WQ_MEM_RECLAIM | WQ_PERCPU,
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1281 1);
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1282
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1283 if (!hidg->workqueue) {
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1284 status = -ENOMEM;
62783c30d78aec drivers/usb/gadget/function/f_hid.c Yuhao Jiang 2025-06-23 1285 goto fail_free_descs;
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1286 }
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1287
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1288 /* create char device */
81ebd43cc0d6d1 drivers/usb/gadget/function/f_hid.c Michael Zimmermann 2026-03-27 1289 hidg->cdev = cdev_alloc();
81ebd43cc0d6d1 drivers/usb/gadget/function/f_hid.c Michael Zimmermann 2026-03-27 1290 if (!hidg->cdev)
81ebd43cc0d6d1 drivers/usb/gadget/function/f_hid.c Michael Zimmermann 2026-03-27 @1291 goto fail_free_all;
81ebd43cc0d6d1 drivers/usb/gadget/function/f_hid.c Michael Zimmermann 2026-03-27 1292 hidg->cdev->ops = &f_hidg_fops;
81ebd43cc0d6d1 drivers/usb/gadget/function/f_hid.c Michael Zimmermann 2026-03-27 1293
81ebd43cc0d6d1 drivers/usb/gadget/function/f_hid.c Michael Zimmermann 2026-03-27 1294 status = cdev_device_add(hidg->cdev, &hidg->dev);
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1295 if (status)
62783c30d78aec drivers/usb/gadget/function/f_hid.c Yuhao Jiang 2025-06-23 1296 goto fail_free_all;
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1297
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1298 return 0;
62783c30d78aec drivers/usb/gadget/function/f_hid.c Yuhao Jiang 2025-06-23 1299 fail_free_all:
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1300 destroy_workqueue(hidg->workqueue);
62783c30d78aec drivers/usb/gadget/function/f_hid.c Yuhao Jiang 2025-06-23 1301 fail_free_descs:
d12a8727171c77 drivers/usb/gadget/function/f_hid.c Pavitrakumar Managutte 2014-10-22 1302 usb_free_all_descriptors(f);
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1303 fail:
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1304 ERROR(f->config->cdev, "hidg_bind FAILED\n");
14794d7133d0f1 drivers/usb/gadget/function/f_hid.c Felipe F. Tonello 2016-08-23 1305 if (hidg->req != NULL)
14794d7133d0f1 drivers/usb/gadget/function/f_hid.c Felipe F. Tonello 2016-08-23 1306 free_ep_req(hidg->in_ep, hidg->req);
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1307
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1308 usb_ep_free_request(c->cdev->gadget->ep0, hidg->get_req);
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1309 hidg->get_req = NULL;
a139c98f760efa drivers/usb/gadget/function/f_hid.c Chris Wulff 2024-08-17 1310
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1311 return status;
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1312 }
71adf118946957 drivers/usb/gadget/f_hid.c Fabien Chouteau 2010-04-08 1313
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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