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192c4cccd0
So far, snd_ctl_remove() requires its caller to take card->controls_rwsem manually before the call for avoiding possible races. However, many callers don't care and miss the locking. Basically it's cumbersome and error-prone to enforce it to each caller. Moreover, card->controls_rwsem is a field that should be used only by internal or proper helpers, and it's not to be touched at random external places. This patch is an attempt to make those calls more consistent: now snd_ctl_remove() takes the card->controls_rwsem internally, just like other API functions for kctls. Since a few callers already take the controls_rwsem locks, the patch removes those locks at the same time, too. Link: https://lore.kernel.org/r/20230718141304.1032-5-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de> |
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| ipc | ||
| kernel | ||
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| .clang-format | ||
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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.