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snd_mixer_oss_build_input(): fix for __you_cannot_kmalloc_that_much failure with gcc-3.2

Browse source 
Rework this functions so that gcc-3.2 can successfully perform
constant-folding.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Jaroslav Kysela <perex@suse.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jean Delvare 2008-01-08 15:33:10 -08:00 committed by Linus Torvalds
parent ce8c628aba
commit 22a860a9e2
1 changed files with 63 additions and 38 deletions
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101
sound/core/oss/mixer_oss.c
View file

@ -925,6 +925,68 @@ static void mixer_slot_clear(struct snd_mixer_oss_slot *rslot)
rslot->number = idx;
}
/* In a separate function to keep gcc 3.2 happy - do NOT merge this in
snd_mixer_oss_build_input! */
static int snd_mixer_oss_build_test_all(struct snd_mixer_oss *mixer,
struct snd_mixer_oss_assign_table *ptr,
struct slot *slot)
{
char str[64];
int err;
err = snd_mixer_oss_build_test(mixer, slot, ptr->name, ptr->index,
SNDRV_MIXER_OSS_ITEM_GLOBAL);
if (err)
return err;
sprintf(str, "%s Switch", ptr->name);
err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
SNDRV_MIXER_OSS_ITEM_GSWITCH);
if (err)
return err;
sprintf(str, "%s Route", ptr->name);
err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
SNDRV_MIXER_OSS_ITEM_GROUTE);
if (err)
return err;
sprintf(str, "%s Volume", ptr->name);
err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
SNDRV_MIXER_OSS_ITEM_GVOLUME);
if (err)
return err;
sprintf(str, "%s Playback Switch", ptr->name);
err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
SNDRV_MIXER_OSS_ITEM_PSWITCH);
if (err)
return err;
sprintf(str, "%s Playback Route", ptr->name);
err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
SNDRV_MIXER_OSS_ITEM_PROUTE);
if (err)
return err;
sprintf(str, "%s Playback Volume", ptr->name);
err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
SNDRV_MIXER_OSS_ITEM_PVOLUME);
if (err)
return err;
sprintf(str, "%s Capture Switch", ptr->name);
err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
SNDRV_MIXER_OSS_ITEM_CSWITCH);
if (err)
return err;
sprintf(str, "%s Capture Route", ptr->name);
err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
SNDRV_MIXER_OSS_ITEM_CROUTE);
if (err)
return err;
sprintf(str, "%s Capture Volume", ptr->name);
err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
SNDRV_MIXER_OSS_ITEM_CVOLUME);
if (err)
return err;
return 0;
}
/*
* build an OSS mixer element.
* ptr_allocated means the entry is dynamically allocated (change via proc file).
@ -944,44 +1006,7 @@ static int snd_mixer_oss_build_input(struct snd_mixer_oss *mixer, struct snd_mix
memset(&slot, 0, sizeof(slot));
memset(slot.numid, 0xff, sizeof(slot.numid)); /* ID_UNKNOWN */
if (snd_mixer_oss_build_test(mixer, &slot, ptr->name, ptr->index,
SNDRV_MIXER_OSS_ITEM_GLOBAL))
return 0;
sprintf(str, "%s Switch", ptr->name);
if (snd_mixer_oss_build_test(mixer, &slot, str, ptr->index,
SNDRV_MIXER_OSS_ITEM_GSWITCH))
return 0;
sprintf(str, "%s Route", ptr->name);
if (snd_mixer_oss_build_test(mixer, &slot, str, ptr->index,
SNDRV_MIXER_OSS_ITEM_GROUTE))
return 0;
sprintf(str, "%s Volume", ptr->name);
if (snd_mixer_oss_build_test(mixer, &slot, str, ptr->index,
SNDRV_MIXER_OSS_ITEM_GVOLUME))
return 0;
sprintf(str, "%s Playback Switch", ptr->name);
if (snd_mixer_oss_build_test(mixer, &slot, str, ptr->index,
SNDRV_MIXER_OSS_ITEM_PSWITCH))
return 0;
sprintf(str, "%s Playback Route", ptr->name);
if (snd_mixer_oss_build_test(mixer, &slot, str, ptr->index,
SNDRV_MIXER_OSS_ITEM_PROUTE))
return 0;
sprintf(str, "%s Playback Volume", ptr->name);
if (snd_mixer_oss_build_test(mixer, &slot, str, ptr->index,
SNDRV_MIXER_OSS_ITEM_PVOLUME))
return 0;
sprintf(str, "%s Capture Switch", ptr->name);
if (snd_mixer_oss_build_test(mixer, &slot, str, ptr->index,
SNDRV_MIXER_OSS_ITEM_CSWITCH))
return 0;
sprintf(str, "%s Capture Route", ptr->name);
if (snd_mixer_oss_build_test(mixer, &slot, str, ptr->index,
SNDRV_MIXER_OSS_ITEM_CROUTE))
return 0;
sprintf(str, "%s Capture Volume", ptr->name);
if (snd_mixer_oss_build_test(mixer, &slot, str, ptr->index,
SNDRV_MIXER_OSS_ITEM_CVOLUME))
if (snd_mixer_oss_build_test_all(mixer, ptr, &slot))
return 0;
down_read(&mixer->card->controls_rwsem);
if (ptr->index == 0 && (kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0)) != NULL) {