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- C 98.2%
- Assembly 1%
- Makefile 0.3%
- Shell 0.2%
- Python 0.1%
| Filename | Latest commit message | Latest commit date |
|---|---|---|
0f6b1bdbec
[ Upstream commit 2455d417c03aa0cbafed04c46cbb354643238318 ]
If v4l2_m2m_init() fails, m2m_dev pointer will be set ERR_PTR(-ENOMEM),
then kfree m2m_dev will trigger BUG_ON, see below, fix it by setting m2m_dev
to NULL.
vim2m vim2m.0: Failed to init mem2mem device
------------[ cut here ]------------
kernel BUG at mm/slub.c:3944!
invalid opcode: 0000 [#1] SMP PTI
CPU: 11 PID: 9061 Comm: insmod Tainted: G E 5.2.0-rc2 #81
Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
RIP: 0010:kfree+0x11a/0x160
Call Trace:
vim2m_device_release+0x3f/0x50 [vim2m]
device_release+0x27/0x80
kobject_release+0x68/0x190
vim2m_probe+0x20f/0x280 [vim2m]
platform_drv_probe+0x37/0x90
really_probe+0xef/0x3d0
driver_probe_device+0x110/0x120
device_driver_attach+0x4f/0x60
__driver_attach+0x9a/0x140
? device_driver_attach+0x60/0x60
bus_for_each_dev+0x76/0xc0
? klist_add_tail+0x57/0x70
bus_add_driver+0x141/0x210
driver_register+0x5b/0xe0
vim2m_init+0x29/0x1000 [vim2m]
do_one_initcall+0x46/0x1f4
? __slab_alloc+0x1c/0x30
? kmem_cache_alloc_trace+0x167/0x1b0
do_init_module+0x5b/0x21f
load_module+0x1add/0x1fb0
? __do_sys_finit_module+0xe9/0x110
__do_sys_finit_module+0xe9/0x110
do_syscall_64+0x5b/0x1c0
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Fixes:
|
||
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.