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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-15 17:00:11 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-15 17:00:11 +0300
commitc182ce9bc8c85a623c71a23bcd6768045126c289 (patch)
tree73fb6561bbec5d89cba74492c149f3012e275afa /sound/core/oss/pcm_plugin.c
parent2da050e4f151c458df909780843067e7c2d11ec2 (diff)
parenta8750ddca918032d6349adbf9a4b6555e7db20da (diff)
downloadlinux-c182ce9bc8c85a623c71a23bcd6768045126c289.tar.xz
Merge 4.15-rc8 into usb-next
We want the USB fixes in here as well for merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/core/oss/pcm_plugin.c')
-rw-r--r--sound/core/oss/pcm_plugin.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/sound/core/oss/pcm_plugin.c b/sound/core/oss/pcm_plugin.c
index cadc93792868..85a56af104bd 100644
--- a/sound/core/oss/pcm_plugin.c
+++ b/sound/core/oss/pcm_plugin.c
@@ -592,18 +592,26 @@ snd_pcm_sframes_t snd_pcm_plug_write_transfer(struct snd_pcm_substream *plug, st
snd_pcm_sframes_t frames = size;
plugin = snd_pcm_plug_first(plug);
- while (plugin && frames > 0) {
+ while (plugin) {
+ if (frames <= 0)
+ return frames;
if ((next = plugin->next) != NULL) {
snd_pcm_sframes_t frames1 = frames;
- if (plugin->dst_frames)
+ if (plugin->dst_frames) {
frames1 = plugin->dst_frames(plugin, frames);
+ if (frames1 <= 0)
+ return frames1;
+ }
if ((err = next->client_channels(next, frames1, &dst_channels)) < 0) {
return err;
}
if (err != frames1) {
frames = err;
- if (plugin->src_frames)
+ if (plugin->src_frames) {
frames = plugin->src_frames(plugin, frames1);
+ if (frames <= 0)
+ return frames;
+ }
}
} else
dst_channels = NULL;