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

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>

1 files changed, 63 insertions, 38 deletions

diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c
index 3ace4a5680ba..c5a5ab9cae8c 100644
--- a/sound/core/oss/mixer_oss.c
+++ b/sound/core/oss/mixer_oss.c
@@ -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) {