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authorTakashi Iwai <tiwai@suse.de>2018-11-23 18:16:33 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-12-05 19:42:40 +0100
commit12b2efff8874a5ff359b8bb087b7f2cd383fc76c (patch)
tree13131dbf9b82b438210d7eb71037fb6ddcf10adf
parent55eb06b7728f28b0197fa8977094fcaa38d38ca4 (diff)
ALSA: wss: Fix invalid snd_free_pages() at error path
commit 7b69154171b407844c273ab4c10b5f0ddcd6aa29 upstream. Some spurious calls of snd_free_pages() have been overlooked and remain in the error paths of wss driver code. Since runtime->dma_area is managed by the PCM core helper, we shouldn't release manually. Drop the superfluous calls. Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--sound/isa/wss/wss_lib.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c
index 913b731d2236..f40330ddb9b2 100644
--- a/sound/isa/wss/wss_lib.c
+++ b/sound/isa/wss/wss_lib.c
@@ -1531,7 +1531,6 @@ static int snd_wss_playback_open(struct snd_pcm_substream *substream)
if (err < 0) {
if (chip->release_dma)
chip->release_dma(chip, chip->dma_private_data, chip->dma1);
- snd_free_pages(runtime->dma_area, runtime->dma_bytes);
return err;
}
chip->playback_substream = substream;
@@ -1572,7 +1571,6 @@ static int snd_wss_capture_open(struct snd_pcm_substream *substream)
if (err < 0) {
if (chip->release_dma)
chip->release_dma(chip, chip->dma_private_data, chip->dma2);
- snd_free_pages(runtime->dma_area, runtime->dma_bytes);
return err;
}
chip->capture_substream = substream;