From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: [dlech-linux:bone-counter 3/21] drivers/counter/counter-chrdev.c:396 counter_get_data() error: uninitialized symbol 'value_u8'.
Date: Tue, 15 Dec 2020 12:39:34 +0800 [thread overview]
Message-ID: <202012151243.V5Ql3Ylo-lkp@intel.com> (raw)
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CC: kbuild-all(a)lists.01.org
TO: William Breathitt Gray <vilhelm.gray@gmail.com>
CC: David Lechner <david@lechnology.com>
tree: https://github.com/dlech/linux bone-counter
head: dc99d06b0f101cff0b3157b1cb49e28e95387c46
commit: d698926a635b0cf342b9b18e04b5f15701834158 [3/21] counter: Add character device interface
:::::: branch date: 29 hours ago
:::::: commit date: 33 hours ago
config: x86_64-randconfig-m001-20201213 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/counter/counter-chrdev.c:396 counter_get_data() error: uninitialized symbol 'value_u8'.
vim +/value_u8 +396 drivers/counter/counter-chrdev.c
d698926a635b0cf William Breathitt Gray 2020-11-22 361
d698926a635b0cf William Breathitt Gray 2020-11-22 362 static int counter_get_data(struct counter_device *const counter,
d698926a635b0cf William Breathitt Gray 2020-11-22 363 const struct counter_comp_node *const comp_node,
d698926a635b0cf William Breathitt Gray 2020-11-22 364 u64 *const value)
d698926a635b0cf William Breathitt Gray 2020-11-22 365 {
d698926a635b0cf William Breathitt Gray 2020-11-22 366 const struct counter_comp *const comp = &comp_node->comp;
d698926a635b0cf William Breathitt Gray 2020-11-22 367 void *const parent = comp_node->parent;
d698926a635b0cf William Breathitt Gray 2020-11-22 368 int err = 0;
d698926a635b0cf William Breathitt Gray 2020-11-22 369 u8 value_u8;
d698926a635b0cf William Breathitt Gray 2020-11-22 370
d698926a635b0cf William Breathitt Gray 2020-11-22 371 /* Dummy components don't have data so return early */
d698926a635b0cf William Breathitt Gray 2020-11-22 372 if (comp_node->component.type == COUNTER_COMPONENT_DUMMY)
d698926a635b0cf William Breathitt Gray 2020-11-22 373 return 0;
d698926a635b0cf William Breathitt Gray 2020-11-22 374
d698926a635b0cf William Breathitt Gray 2020-11-22 375 switch (comp->type) {
d698926a635b0cf William Breathitt Gray 2020-11-22 376 case COUNTER_COMP_U8:
d698926a635b0cf William Breathitt Gray 2020-11-22 377 case COUNTER_COMP_BOOL:
d698926a635b0cf William Breathitt Gray 2020-11-22 378 case COUNTER_COMP_SIGNAL_LEVEL:
d698926a635b0cf William Breathitt Gray 2020-11-22 379 case COUNTER_COMP_FUNCTION:
d698926a635b0cf William Breathitt Gray 2020-11-22 380 case COUNTER_COMP_ENUM:
d698926a635b0cf William Breathitt Gray 2020-11-22 381 case COUNTER_COMP_COUNT_DIRECTION:
d698926a635b0cf William Breathitt Gray 2020-11-22 382 case COUNTER_COMP_COUNT_MODE:
d698926a635b0cf William Breathitt Gray 2020-11-22 383 switch (comp_node->component.scope) {
d698926a635b0cf William Breathitt Gray 2020-11-22 384 case COUNTER_SCOPE_DEVICE:
d698926a635b0cf William Breathitt Gray 2020-11-22 385 err = comp->device_u8_read(counter, &value_u8);
d698926a635b0cf William Breathitt Gray 2020-11-22 386 break;
d698926a635b0cf William Breathitt Gray 2020-11-22 387 case COUNTER_SCOPE_SIGNAL:
d698926a635b0cf William Breathitt Gray 2020-11-22 388 err = comp->signal_u8_read(counter, parent, &value_u8);
d698926a635b0cf William Breathitt Gray 2020-11-22 389 break;
d698926a635b0cf William Breathitt Gray 2020-11-22 390 case COUNTER_SCOPE_COUNT:
d698926a635b0cf William Breathitt Gray 2020-11-22 391 err = comp->count_u8_read(counter, parent, &value_u8);
d698926a635b0cf William Breathitt Gray 2020-11-22 392 break;
d698926a635b0cf William Breathitt Gray 2020-11-22 393 }
d698926a635b0cf William Breathitt Gray 2020-11-22 394 if (err)
d698926a635b0cf William Breathitt Gray 2020-11-22 395 return err;
d698926a635b0cf William Breathitt Gray 2020-11-22 @396 *value = value_u8;
d698926a635b0cf William Breathitt Gray 2020-11-22 397 break;
d698926a635b0cf William Breathitt Gray 2020-11-22 398 case COUNTER_COMP_U64:
d698926a635b0cf William Breathitt Gray 2020-11-22 399 switch (comp_node->component.scope) {
d698926a635b0cf William Breathitt Gray 2020-11-22 400 case COUNTER_SCOPE_DEVICE:
d698926a635b0cf William Breathitt Gray 2020-11-22 401 return comp->device_u64_read(counter, value);
d698926a635b0cf William Breathitt Gray 2020-11-22 402 case COUNTER_SCOPE_SIGNAL:
d698926a635b0cf William Breathitt Gray 2020-11-22 403 return comp->signal_u64_read(counter, parent, value);
d698926a635b0cf William Breathitt Gray 2020-11-22 404 case COUNTER_SCOPE_COUNT:
d698926a635b0cf William Breathitt Gray 2020-11-22 405 return comp->count_u64_read(counter, parent, value);
d698926a635b0cf William Breathitt Gray 2020-11-22 406 }
d698926a635b0cf William Breathitt Gray 2020-11-22 407 break;
d698926a635b0cf William Breathitt Gray 2020-11-22 408 case COUNTER_COMP_SYNAPSE_ACTION:
d698926a635b0cf William Breathitt Gray 2020-11-22 409 err = comp->action_read(counter, parent, comp->priv, &value_u8);
d698926a635b0cf William Breathitt Gray 2020-11-22 410 if (err)
d698926a635b0cf William Breathitt Gray 2020-11-22 411 return err;
d698926a635b0cf William Breathitt Gray 2020-11-22 412 *value = value_u8;
d698926a635b0cf William Breathitt Gray 2020-11-22 413 break;
d698926a635b0cf William Breathitt Gray 2020-11-22 414 }
d698926a635b0cf William Breathitt Gray 2020-11-22 415
d698926a635b0cf William Breathitt Gray 2020-11-22 416 return 0;
d698926a635b0cf William Breathitt Gray 2020-11-22 417 }
d698926a635b0cf William Breathitt Gray 2020-11-22 418
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next reply other threads:[~2020-12-15 4:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-15 4:39 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2020-12-15 8:00 [dlech-linux:bone-counter 3/21] drivers/counter/counter-chrdev.c:396 counter_get_data() error: uninitialized symbol 'value_u8' Dan Carpenter
2020-12-15 8:00 ` Dan Carpenter
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