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463a20fd34
The rawmidi interface provides some exported functions to be called from outside, and currently there is no state check for those calls whether the stream is properly opened and running. Although such an invalid call shouldn't happen, but who knows. This patch adds the proper rawmidi stream state checks with spinlocks for avoiding unexpected accesses when such exported functions are called in an invalid state. After this patch, with the substream->opened and substream->runtime are always tied and guaranteed to be set under substream->lock. Link: https://lore.kernel.org/r/20220617144051.18985-5-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de> |
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| 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.