linux_dsm_epyc7002/sound/isa/sb
David Howells e992ef5705 Annotate hardware config module parameters in sound/isa/
When the kernel is running in secure boot mode, we lock down the kernel to
prevent userspace from modifying the running kernel image.  Whilst this
includes prohibiting access to things like /dev/mem, it must also prevent
access by means of configuring driver modules in such a way as to cause a
device to access or modify the kernel image.

To this end, annotate module_param* statements that refer to hardware
configuration and indicate for future reference what type of parameter they
specify.  The parameter parser in the core sees this information and can
skip such parameters with an error message if the kernel is locked down.
The module initialisation then runs as normal, but just sees whatever the
default values for those parameters is.

Note that we do still need to do the module initialisation because some
drivers have viable defaults set in case parameters aren't specified and
some drivers support automatic configuration (e.g. PNP or PCI) in addition
to manually coded parameters.

This patch annotates drivers in sound/isa/.

Suggested-by: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Jaroslav Kysela <perex@perex.cz>
cc: Takashi Iwai <tiwai@suse.com>
cc: alsa-devel@alsa-project.org
2017-04-20 12:02:32 +01:00
..
emu8000_callback.c sound: Remove unnecessary semicolon 2012-10-06 16:47:53 +02:00
emu8000_local.h
emu8000_patch.c sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
emu8000_pcm.c sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
emu8000_synth.c ALSA: seq: Define driver object in each driver 2015-02-12 14:15:54 +01:00
emu8000.c sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
jazz16.c Annotate hardware config module parameters in sound/isa/ 2017-04-20 12:02:32 +01:00
Makefile ALSA: Merge es1688 and es968 drivers 2010-05-10 09:49:30 +02:00
sb8_main.c ALSA: Include linux/io.h instead of asm/io.h 2015-01-28 16:49:33 +01:00
sb8_midi.c ALSA: isa: Constify snd_rawmidi_ops 2017-01-12 12:50:16 +01:00
sb8.c Annotate hardware config module parameters in sound/isa/ 2017-04-20 12:02:32 +01:00
sb16_csp.c ALSA: sb16 - info leak in snd_sb_csp_ioctl() 2013-11-07 10:17:18 +01:00
sb16_main.c ALSA: Include linux/io.h instead of asm/io.h 2015-01-28 16:49:33 +01:00
sb16.c Annotate hardware config module parameters in sound/isa/ 2017-04-20 12:02:32 +01:00
sb_common.c ALSA: Include linux/io.h instead of asm/io.h 2015-01-28 16:49:33 +01:00
sb_mixer.c ALSA: Include linux/io.h instead of asm/io.h 2015-01-28 16:49:33 +01:00
sbawe.c