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| Filename | Latest commit message | Latest commit date |
|---|---|---|
742a5ae18c
commit 6f48394cf1f3e8486591ad98c11cdadb8f1ef2ad upstream.
Trying to remove the fsl-sata module in the PPC64 GNU/Linux
leads to the following warning:
------------[ cut here ]------------
remove_proc_entry: removing non-empty directory 'irq/69',
leaking at least 'fsl-sata[ff0221000.sata]'
WARNING: CPU: 3 PID: 1048 at fs/proc/generic.c:722
.remove_proc_entry+0x20c/0x220
IRQMASK: 0
NIP [c00000000033826c] .remove_proc_entry+0x20c/0x220
LR [c000000000338268] .remove_proc_entry+0x208/0x220
Call Trace:
.remove_proc_entry+0x208/0x220 (unreliable)
.unregister_irq_proc+0x104/0x140
.free_desc+0x44/0xb0
.irq_free_descs+0x9c/0xf0
.irq_dispose_mapping+0x64/0xa0
.sata_fsl_remove+0x58/0xa0 [sata_fsl]
.platform_drv_remove+0x40/0x90
.device_release_driver_internal+0x160/0x2c0
.driver_detach+0x64/0xd0
.bus_remove_driver+0x70/0xf0
.driver_unregister+0x38/0x80
.platform_driver_unregister+0x14/0x30
.fsl_sata_driver_exit+0x18/0xa20 [sata_fsl]
---[ end trace 0ea876d4076908f5 ]---
The driver creates the mapping by calling irq_of_parse_and_map(),
so it also has to dispose the mapping. But the easy way out is to
simply use platform_get_irq() instead of irq_of_parse_map(). Also
we should adapt return value checking and propagate error values.
In this case the mapping is not managed by the device but by
the of core, so the device has not to dispose the mapping.
Fixes:
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| Documentation | ||
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| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
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| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
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| 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.