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70476feb62
Avoid getting into a WARNING as below by checking, while in the prepare state of the transactional operation, if there is space for a new VLAN. If we reached the maximum number, return an appropriate error. [ 6503.657564] eth3: Commit of object (id=1) failed. [ 6503.657588] WARNING: CPU: 2 PID: 17144 at net/switchdev/switchdev.c:277 switchdev_port_obj_add_now+0xcc/0x110 ... [ 6503.657628] x1 : 70887ce26695c500 x0 : 0000000000000000 [ 6503.657630] Call trace: [ 6503.657633] switchdev_port_obj_add_now+0xcc/0x110 [ 6503.657635] switchdev_port_obj_add+0x40/0xc0 [ 6503.657638] br_switchdev_port_vlan_add+0x50/0x78 [ 6503.657640] __vlan_add+0x2dc/0x758 [ 6503.657642] nbp_vlan_add+0xc0/0x180 [ 6503.657644] br_vlan_info.isra.0+0x68/0x128 [ 6503.657646] br_process_vlan_info+0x224/0x2f8 [ 6503.657647] br_afspec+0x158/0x188 [ 6503.657649] br_setlink+0x1a4/0x290 Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Link: https://lore.kernel.org/r/20200721091919.20394-7-ioana.ciornei@nxp.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| 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.