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Message-ID: <202501110943.PA4ylzB9-lkp@intel.com>
Date: Sat, 11 Jan 2025 10:13:05 +0800
From: kernel test robot <lkp@...el.com>
To: Vincent Mailhol <mailhol.vincent@...adoo.fr>,
Kees Cook <kees@...nel.org>, Nathan Chancellor <nathan@...nel.org>,
Nick Desaulniers <ndesaulniers@...gle.com>,
Bill Wendling <morbo@...gle.com>,
Justin Stitt <justinstitt@...gle.com>
Cc: oe-kbuild-all@...ts.linux.dev, David Laight <david.laight@...lab.com>,
linux-hardening@...r.kernel.org, linux-kernel@...r.kernel.org,
llvm@...ts.linux.dev, Vincent Mailhol <mailhol.vincent@...adoo.fr>
Subject: Re: [PATCH] fortify: turn strlen() into an inline function using
__builtin_constant_p()
Hi Vincent,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 9d89551994a430b50c4fffcb1e617a057fa76e20]
url: https://github.com/intel-lab-lkp/linux/commits/Vincent-Mailhol/fortify-turn-strlen-into-an-inline-function-using-__builtin_constant_p/20250108-223159
base: 9d89551994a430b50c4fffcb1e617a057fa76e20
patch link: https://lore.kernel.org/r/20250108-strlen_use_builtin_constant_p-v1-1-611b52e80a9f%40wanadoo.fr
patch subject: [PATCH] fortify: turn strlen() into an inline function using __builtin_constant_p()
config: s390-randconfig-r064-20250111 (https://download.01.org/0day-ci/archive/20250111/202501110943.PA4ylzB9-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project f5cd181ffbb7cb61d582fe130d46580d5969d47a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250111/202501110943.PA4ylzB9-lkp@intel.com/reproduce)
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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202501110943.PA4ylzB9-lkp@intel.com/
All warnings (new ones prefixed by >>):
| ^ ~
arch/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/most/most_cdev.c:8:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/s390/include/asm/elf.h:168:
include/linux/compat.h:454:22: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
454 | case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3];
| ^ ~
arch/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/most/most_cdev.c:8:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/s390/include/asm/elf.h:168:
include/linux/compat.h:454:10: warning: array index 7 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
454 | case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3];
| ^ ~
include/linux/compat.h:130:2: note: array 'sig' declared here
130 | compat_sigset_word sig[_COMPAT_NSIG_WORDS];
| ^
include/linux/compat.h:454:42: warning: array index 6 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
454 | case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3];
| ^ ~
include/linux/compat.h:130:2: note: array 'sig' declared here
130 | compat_sigset_word sig[_COMPAT_NSIG_WORDS];
| ^
include/linux/compat.h:454:53: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
454 | case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3];
| ^ ~
arch/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/most/most_cdev.c:8:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/s390/include/asm/elf.h:168:
include/linux/compat.h:456:22: warning: array index 2 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
456 | case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2];
| ^ ~
arch/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/most/most_cdev.c:8:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/s390/include/asm/elf.h:168:
include/linux/compat.h:456:10: warning: array index 5 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
456 | case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2];
| ^ ~
include/linux/compat.h:130:2: note: array 'sig' declared here
130 | compat_sigset_word sig[_COMPAT_NSIG_WORDS];
| ^
include/linux/compat.h:456:42: warning: array index 4 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
456 | case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2];
| ^ ~
include/linux/compat.h:130:2: note: array 'sig' declared here
130 | compat_sigset_word sig[_COMPAT_NSIG_WORDS];
| ^
include/linux/compat.h:456:53: warning: array index 2 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
456 | case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2];
| ^ ~
arch/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/most/most_cdev.c:8:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/s390/include/asm/elf.h:168:
include/linux/compat.h:458:22: warning: array index 1 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
458 | case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1];
| ^ ~
arch/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/most/most_cdev.c:8:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/s390/include/asm/elf.h:168:
include/linux/compat.h:458:10: warning: array index 3 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
458 | case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1];
| ^ ~
include/linux/compat.h:130:2: note: array 'sig' declared here
130 | compat_sigset_word sig[_COMPAT_NSIG_WORDS];
| ^
include/linux/compat.h:458:42: warning: array index 2 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
458 | case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1];
| ^ ~
include/linux/compat.h:130:2: note: array 'sig' declared here
130 | compat_sigset_word sig[_COMPAT_NSIG_WORDS];
| ^
include/linux/compat.h:458:53: warning: array index 1 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
458 | case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1];
| ^ ~
arch/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
>> drivers/most/most_cdev.c:449:2: warning: implicit conversion from 'unsigned long' to 'unsigned int' changes value from 18446744073709551615 to 4294967295 [-Wconstant-conversion]
449 | INIT_KFIFO(c->fifo);
| ^~~~~~~~~~~~~~~~~~~
include/linux/kfifo.h:135:69: note: expanded from macro 'INIT_KFIFO'
135 | __kfifo->mask = __is_kfifo_ptr(__tmp) ? 0 : ARRAY_SIZE(__tmp->buf) - 1;\
| ~ ~~~~~~~~~~~~~~~~~~~~~~~^~~
62 warnings and 1 error generated.
--
| ^ ~
include/linux/compat.h:130:2: note: array 'sig' declared here
130 | compat_sigset_word sig[_COMPAT_NSIG_WORDS];
| ^
include/linux/compat.h:454:42: warning: array index 6 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
454 | case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3];
| ^ ~
include/linux/compat.h:130:2: note: array 'sig' declared here
130 | compat_sigset_word sig[_COMPAT_NSIG_WORDS];
| ^
include/linux/compat.h:454:53: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
454 | case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3];
| ^ ~
arch/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/tty/tty_port.c:8:
In file included from include/linux/tty.h:9:
In file included from include/linux/tty_driver.h:9:
In file included from include/linux/cdev.h:8:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/s390/include/asm/elf.h:168:
include/linux/compat.h:456:22: warning: array index 2 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
456 | case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2];
| ^ ~
arch/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/tty/tty_port.c:8:
In file included from include/linux/tty.h:9:
In file included from include/linux/tty_driver.h:9:
In file included from include/linux/cdev.h:8:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/s390/include/asm/elf.h:168:
include/linux/compat.h:456:10: warning: array index 5 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
456 | case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2];
| ^ ~
include/linux/compat.h:130:2: note: array 'sig' declared here
130 | compat_sigset_word sig[_COMPAT_NSIG_WORDS];
| ^
include/linux/compat.h:456:42: warning: array index 4 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
456 | case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2];
| ^ ~
include/linux/compat.h:130:2: note: array 'sig' declared here
130 | compat_sigset_word sig[_COMPAT_NSIG_WORDS];
| ^
include/linux/compat.h:456:53: warning: array index 2 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
456 | case 3: v.sig[5] = (set->sig[2] >> 32); v.sig[4] = set->sig[2];
| ^ ~
arch/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/tty/tty_port.c:8:
In file included from include/linux/tty.h:9:
In file included from include/linux/tty_driver.h:9:
In file included from include/linux/cdev.h:8:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/s390/include/asm/elf.h:168:
include/linux/compat.h:458:22: warning: array index 1 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
458 | case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1];
| ^ ~
arch/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/tty/tty_port.c:8:
In file included from include/linux/tty.h:9:
In file included from include/linux/tty_driver.h:9:
In file included from include/linux/cdev.h:8:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/s390/include/asm/elf.h:168:
include/linux/compat.h:458:10: warning: array index 3 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
458 | case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1];
| ^ ~
include/linux/compat.h:130:2: note: array 'sig' declared here
130 | compat_sigset_word sig[_COMPAT_NSIG_WORDS];
| ^
include/linux/compat.h:458:42: warning: array index 2 is past the end of the array (that has type 'compat_sigset_word[2]' (aka 'unsigned int[2]')) [-Warray-bounds]
458 | case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1];
| ^ ~
include/linux/compat.h:130:2: note: array 'sig' declared here
130 | compat_sigset_word sig[_COMPAT_NSIG_WORDS];
| ^
include/linux/compat.h:458:53: warning: array index 1 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
458 | case 2: v.sig[3] = (set->sig[1] >> 32); v.sig[2] = set->sig[1];
| ^ ~
arch/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
22 | unsigned long sig[_NSIG_WORDS];
| ^
>> drivers/tty/tty_port.c:266:2: warning: implicit conversion from 'unsigned long' to 'unsigned int' changes value from 18446744073709551615 to 4294967295 [-Wconstant-conversion]
266 | INIT_KFIFO(port->xmit_fifo);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/kfifo.h:135:69: note: expanded from macro 'INIT_KFIFO'
135 | __kfifo->mask = __is_kfifo_ptr(__tmp) ? 0 : ARRAY_SIZE(__tmp->buf) - 1;\
| ~ ~~~~~~~~~~~~~~~~~~~~~~~^~~
62 warnings and 1 error generated.
vim +449 drivers/most/most_cdev.c
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 400
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 401 /**
1fd923f38610a8 drivers/staging/most/cdev/cdev.c Christian Gromm 2017-11-21 402 * comp_probe - probe function of the driver module
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 403 * @iface: pointer to interface instance
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 404 * @channel_id: channel index/ID
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 405 * @cfg: pointer to actual channel configuration
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 406 * @name: name of the device to be created
fba3993e86cc44 drivers/most/most_cdev.c Randy Dunlap 2023-01-12 407 * @args: pointer to array of component parameters (from configfs)
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 408 *
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 409 * This allocates a channel object and creates the device node in /dev
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 410 *
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 411 * Returns 0 on success or error code otherwise.
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 412 */
1fd923f38610a8 drivers/staging/most/cdev/cdev.c Christian Gromm 2017-11-21 413 static int comp_probe(struct most_interface *iface, int channel_id,
dfee92dd50464c drivers/staging/most/cdev/cdev.c Christian Gromm 2019-04-03 414 struct most_channel_config *cfg, char *name, char *args)
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 415 {
ef0fbbbb9a6004 drivers/staging/most/cdev/cdev.c Christian Gromm 2017-11-21 416 struct comp_channel *c;
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 417 unsigned long cl_flags;
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 418 int retval;
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 419 int current_minor;
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 420
e8e0f7fd7715de drivers/staging/most/cdev/cdev.c Christian Gromm 2020-06-22 421 if (!cfg || !name)
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 422 return -EINVAL;
61fd971eddecdc drivers/staging/most/cdev/cdev.c Christian Gromm 2020-06-22 423
d8b082e6c625cb drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 424 c = get_channel(iface, channel_id);
d8b082e6c625cb drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 425 if (c)
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 426 return -EEXIST;
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 427
b737a221702c7b drivers/most/most_cdev.c Christophe JAILLET 2024-06-08 428 current_minor = ida_alloc(&comp.minor_id, GFP_KERNEL);
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 429 if (current_minor < 0)
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 430 return current_minor;
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 431
d8b082e6c625cb drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 432 c = kzalloc(sizeof(*c), GFP_KERNEL);
d8b082e6c625cb drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 433 if (!c) {
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 434 retval = -ENOMEM;
bddd3c2546e9c4 drivers/staging/most/cdev/cdev.c Christian Gromm 2018-09-21 435 goto err_remove_ida;
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 436 }
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 437
c73d915dd293a4 drivers/staging/most/cdev/cdev.c Christian Gromm 2017-11-21 438 c->devno = MKDEV(comp.major, current_minor);
d8b082e6c625cb drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 439 cdev_init(&c->cdev, &channel_fops);
d8b082e6c625cb drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 440 c->cdev.owner = THIS_MODULE;
5ae890780e1b4d drivers/staging/most/cdev/cdev.c Colin Ian King 2019-02-02 441 retval = cdev_add(&c->cdev, c->devno, 1);
5ae890780e1b4d drivers/staging/most/cdev/cdev.c Colin Ian King 2019-02-02 442 if (retval < 0)
5ae890780e1b4d drivers/staging/most/cdev/cdev.c Colin Ian King 2019-02-02 443 goto err_free_c;
d8b082e6c625cb drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 444 c->iface = iface;
d8b082e6c625cb drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 445 c->cfg = cfg;
d8b082e6c625cb drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 446 c->channel_id = channel_id;
b3c9f3c56c41cb drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 447 c->access_ref = 0;
fa96b8ed9cc562 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 448 spin_lock_init(&c->unlink);
d8b082e6c625cb drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 @449 INIT_KFIFO(c->fifo);
d8b082e6c625cb drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 450 retval = kfifo_alloc(&c->fifo, cfg->num_buffers, GFP_KERNEL);
ebf256e36754fc drivers/staging/most/cdev/cdev.c Keyur Patel 2019-07-14 451 if (retval)
bddd3c2546e9c4 drivers/staging/most/cdev/cdev.c Christian Gromm 2018-09-21 452 goto err_del_cdev_and_free_channel;
d8b082e6c625cb drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 453 init_waitqueue_head(&c->wq);
d8b082e6c625cb drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 454 mutex_init(&c->io_mutex);
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 455 spin_lock_irqsave(&ch_list_lock, cl_flags);
d8b082e6c625cb drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 456 list_add_tail(&c->list, &channel_list);
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 457 spin_unlock_irqrestore(&ch_list_lock, cl_flags);
c73d915dd293a4 drivers/staging/most/cdev/cdev.c Christian Gromm 2017-11-21 458 c->dev = device_create(comp.class, NULL, c->devno, NULL, "%s", name);
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 459
ea39854712ba8a drivers/staging/most/aim-cdev/cdev.c Sudip Mukherjee 2016-02-08 460 if (IS_ERR(c->dev)) {
ea39854712ba8a drivers/staging/most/aim-cdev/cdev.c Sudip Mukherjee 2016-02-08 461 retval = PTR_ERR(c->dev);
bddd3c2546e9c4 drivers/staging/most/cdev/cdev.c Christian Gromm 2018-09-21 462 goto err_free_kfifo_and_del_list;
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 463 }
d8b082e6c625cb drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 464 kobject_uevent(&c->dev->kobj, KOBJ_ADD);
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 465 return 0;
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 466
bddd3c2546e9c4 drivers/staging/most/cdev/cdev.c Christian Gromm 2018-09-21 467 err_free_kfifo_and_del_list:
d8b082e6c625cb drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 468 kfifo_free(&c->fifo);
d8b082e6c625cb drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 469 list_del(&c->list);
bddd3c2546e9c4 drivers/staging/most/cdev/cdev.c Christian Gromm 2018-09-21 470 err_del_cdev_and_free_channel:
d8b082e6c625cb drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 471 cdev_del(&c->cdev);
5ae890780e1b4d drivers/staging/most/cdev/cdev.c Colin Ian King 2019-02-02 472 err_free_c:
d8b082e6c625cb drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-12-22 473 kfree(c);
bddd3c2546e9c4 drivers/staging/most/cdev/cdev.c Christian Gromm 2018-09-21 474 err_remove_ida:
b737a221702c7b drivers/most/most_cdev.c Christophe JAILLET 2024-06-08 475 ida_free(&comp.minor_id, current_minor);
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 476 return retval;
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 477 }
9bc79bbcd0c526 drivers/staging/most/aim-cdev/cdev.c Christian Gromm 2015-07-24 478
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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