[ALSA] schedule_timeout() fix for core/seq/seq_instr.c

Replace schedule_timeout() with schedule_timeout_uninterruptible()
to avoid signals in loop.

Signed-off-by: Rene Herman <rene.herman@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

1 files changed, 6 insertions, 4 deletions

diff --git a/sound/core/seq/seq_instr.c b/sound/core/seq/seq_instr.c
index 5efe6523a589..08bed008fb7e 100644
--- a/sound/core/seq/seq_instr.c
+++ b/sound/core/seq/seq_instr.c
@@ -109,7 +109,7 @@ void snd_seq_instr_list_free(struct snd_seq_kinstr_list **list_ptr)
                         spin_lock_irqsave(&list->lock, flags);
                         while (instr->use) {
                                 spin_unlock_irqrestore(&list->lock, flags);
-                                schedule_timeout(1);
+                                schedule_timeout_uninterruptible(1);
                                 spin_lock_irqsave(&list->lock, flags);
                         }                               
                         spin_unlock_irqrestore(&list->lock, flags);
@@ -198,8 +198,10 @@ int snd_seq_instr_list_free_cond(struct snd_seq_kinstr_list *list,
                 while (flist) {
                         instr = flist;
                         flist = instr->next;
-                        while (instr->use)
-                                schedule_timeout(1);
+                        while (instr->use) {
+                                schedule_timeout_uninterruptible(1);
+                                barrier();
+                        }
                         if (snd_seq_instr_free(instr, atomic)<0)
                                 snd_printk(KERN_WARNING "instrument free problem\n");
                         instr = next;
@@ -555,7 +557,7 @@ static int instr_free(struct snd_seq_kinstr_ops *ops,
                                            SNDRV_SEQ_INSTR_NOTIFY_REMOVE);
                 while (instr->use) {
                         spin_unlock_irqrestore(&list->lock, flags);
-                        schedule_timeout(1);
+                        schedule_timeout_uninterruptible(1);
                         spin_lock_irqsave(&list->lock, flags);
                 }                               
                 spin_unlock_irqrestore(&list->lock, flags);