[ALSA] dbri sparc: fixes TS leak
This patch fixes time slot leak in the dbri driver.
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c
index cdca8e4..6b090fb 100644
--- a/sound/sparc/dbri.c
+++ b/sound/sparc/dbri.c
@@ -1044,7 +1044,7 @@
{
struct dbri_streaminfo *info = &dbri->stream_info[streamno];
__u32 dvma_buffer;
- int desc = 0;
+ int desc;
int len;
int first_desc = -1;
int last_desc = -1;
@@ -1087,6 +1087,18 @@
len &= ~3;
}
+ /* Free descriptors if pipe has any */
+ desc = dbri->pipes[info->pipe].first_desc;
+ if ( desc >= 0)
+ do {
+ dbri->dma->desc[desc].nda = dbri->dma->desc[desc].ba = 0;
+ desc = dbri->next_desc[desc];
+ } while (desc != -1 && desc != dbri->pipes[info->pipe].first_desc);
+
+ dbri->pipes[info->pipe].desc = -1;
+ dbri->pipes[info->pipe].first_desc = -1;
+
+ desc = 0;
while (len > 0) {
int mylen;
@@ -2054,6 +2066,7 @@
struct snd_dbri *dbri = snd_pcm_substream_chip(substream);
struct dbri_streaminfo *info = DBRI_STREAM(dbri, substream);
int direction;
+
dprintk(D_USR, "hw_free.\n");
/* hw_free can get called multiple times. Only unmap the DMA once.
@@ -2068,7 +2081,10 @@
substream->runtime->buffer_size, direction);
info->dvma_buffer = 0;
}
- info->pipe = -1;
+ if (info->pipe != -1) {
+ reset_pipe(dbri, info->pipe);
+ info->pipe = -1;
+ }
return snd_pcm_lib_free_pages(substream);
}