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| Filename | Latest commit message | Latest commit date |
|---|---|---|
80e457699a
Check vdev->real_port 0 to avoid panic
[ 9.261347] [<ffffff800884a390>] xhci_free_virt_devices_depth_first+0x58/0x108
[ 9.261352] [<ffffff800884a814>] xhci_mem_cleanup+0x1bc/0x570
[ 9.261355] [<ffffff8008842de8>] xhci_stop+0x140/0x1c8
[ 9.261365] [<ffffff80087ed304>] usb_remove_hcd+0xfc/0x1d0
[ 9.261369] [<ffffff80088551c4>] xhci_plat_remove+0x6c/0xa8
[ 9.261377] [<ffffff80086e928c>] platform_drv_remove+0x2c/0x70
[ 9.261384] [<ffffff80086e6ea0>] __device_release_driver+0x80/0x108
[ 9.261387] [<ffffff80086e7a1c>] device_release_driver+0x2c/0x40
[ 9.261392] [<ffffff80086e5f28>] bus_remove_device+0xe0/0x120
[ 9.261396] [<ffffff80086e2e34>] device_del+0x114/0x210
[ 9.261399] [<ffffff80086e9e00>] platform_device_del+0x30/0xa0
[ 9.261403] [<ffffff8008810bdc>] dwc3_otg_work+0x204/0x488
[ 9.261407] [<ffffff80088133fc>] event_work+0x304/0x5b8
[ 9.261414] [<ffffff80080e31b0>] process_one_work+0x148/0x490
[ 9.261417] [<ffffff80080e3548>] worker_thread+0x50/0x4a0
[ 9.261421] [<ffffff80080e9ea0>] kthread+0xe8/0x100
[ 9.261427] [<ffffff8008083680>] ret_from_fork+0x10/0x50
The problem can occur if xhci_plat_remove() is called shortly after
xhci_plat_probe(). While xhci_free_virt_devices_depth_first been
called before the device has been setup and get real_port initialized.
The problem occurred on Hikey960 and was reproduced by Guenter Roeck
on Kevin with chromeos-4.4.
Fixes:
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.