diff options
| author | Jeff Dike <jdike@addtoit.com> | 2007-02-10 01:43:59 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-11 10:51:21 -0800 |
| commit | b612e475e75f860002d88dd8440ce250506c5094 (patch) | |
| tree | c6366175c03cf356895d74a7bf7e589b691f6887 /arch/um/drivers/hostaudio_kern.c | |
| parent | 5bbcbeca2c8933ee2b3402ea5eca523d971a8785 (diff) | |
[PATCH] uml: audio driver locking
Comment the lack of locking and make a couple of variables static.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um/drivers/hostaudio_kern.c')
| -rw-r--r-- | arch/um/drivers/hostaudio_kern.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/um/drivers/hostaudio_kern.c b/arch/um/drivers/hostaudio_kern.c index a0d148ea63d..f61fa056220 100644 --- a/arch/um/drivers/hostaudio_kern.c +++ b/arch/um/drivers/hostaudio_kern.c @@ -25,9 +25,12 @@ struct hostmixer_state { #define HOSTAUDIO_DEV_DSP "/dev/sound/dsp" #define HOSTAUDIO_DEV_MIXER "/dev/sound/mixer" -/* Only changed from linux_main at boot time */ -char *dsp = HOSTAUDIO_DEV_DSP; -char *mixer = HOSTAUDIO_DEV_MIXER; +/* Changed either at boot time or module load time. At boot, this is + * single-threaded; at module load, multiple modules would each have + * their own copy of these variables. + */ +static char *dsp = HOSTAUDIO_DEV_DSP; +static char *mixer = HOSTAUDIO_DEV_MIXER; #define DSP_HELP \ " This is used to specify the host dsp device to the hostaudio driver.\n" \ |