tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 50107a90cb05a474eeb8f41f5cc5fa5a8644de2e commit: 6b2bbb08747a56dcf4ee33606a06025eca571260 [1328/4912] media: cec: rework the cec event handling config: x86_64-randconfig-b0-08061813 (attached as .config) compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7 reproduce: git checkout 6b2bbb08747a56dcf4ee33606a06025eca571260 # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/media/cec/cec-adap.c: In function 'cec_queue_msg_fh': >> drivers/media/cec/cec-adap.c:167: error: unknown field 'lost_msgs' specified in initializer vim +/lost_msgs +167 drivers/media/cec/cec-adap.c 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 155 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 156 /* 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 157 * Queue a new message for this filehandle. 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 158 * 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 159 * We keep a queue of at most CEC_MAX_MSG_RX_QUEUE_SZ messages. If the 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 160 * queue becomes full, then drop the oldest message and keep track 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 161 * of how many messages we've dropped. 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 162 */ 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 163 static void cec_queue_msg_fh(struct cec_fh *fh, const struct cec_msg *msg) 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 164 { 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 165 static const struct cec_event ev_lost_msgs = { 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 166 .event = CEC_EVENT_LOST_MSGS, 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 @167 .lost_msgs.lost_msgs = 1, 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 168 }; 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 169 struct cec_msg_entry *entry; 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 170 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 171 mutex_lock(&fh->lock); 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 172 entry = kmalloc(sizeof(*entry), GFP_KERNEL); 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 173 if (entry) { 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 174 entry->msg = *msg; 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 175 /* Add new msg at the end of the queue */ 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 176 list_add_tail(&entry->list, &fh->msgs); 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 177 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 178 if (fh->queued_msgs < CEC_MAX_MSG_RX_QUEUE_SZ) { 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 179 /* All is fine if there is enough room */ 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 180 fh->queued_msgs++; 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 181 mutex_unlock(&fh->lock); 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 182 wake_up_interruptible(&fh->wait); 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 183 return; 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 184 } 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 185 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 186 /* 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 187 * if the message queue is full, then drop the oldest one and 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 188 * send a lost message event. 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 189 */ 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 190 entry = list_first_entry(&fh->msgs, struct cec_msg_entry, list); 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 191 list_del(&entry->list); 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 192 kfree(entry); 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 193 } 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 194 mutex_unlock(&fh->lock); 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 195 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 196 /* 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 197 * We lost a message, either because kmalloc failed or the queue 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 198 * was full. 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 199 */ 6b2bbb08 drivers/media/cec/cec-adap.c Hans Verkuil 2017-07-11 200 cec_queue_event_fh(fh, &ev_lost_msgs, ktime_get_ns()); 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 201 } 9881fe0c drivers/staging/media/cec/cec-adap.c Hans Verkuil 2016-06-25 202 :::::: The code at line 167 was first introduced by commit :::::: 9881fe0ca187c213eb3a6a8e78e45ad4d1cec171 [media] cec: add HDMI CEC framework (adapter) :::::: TO: Hans Verkuil <hans.verkuil@xxxxxxxxx> :::::: CC: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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