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authorRadim Krčmář <[email protected]>2018-02-01 14:04:17 +0000
committerRadim Krčmář <[email protected]>2018-02-01 14:04:17 +0000
commit7bf14c28ee776be567855bd39ed8ff795ea19f55 (patch)
tree6113748c673e85fccc2c56c050697789c00c6bc2 /sound/core/oss/pcm_plugin.c
parentkvm: x86: remove efer_reload entry in kvm_vcpu_stat (diff)
parentx86/kvm: Make it compile on 32bit and with HYPYERVISOR_GUEST=n (diff)
downloadkernel-7bf14c28ee776be567855bd39ed8ff795ea19f55.tar.gz
kernel-7bf14c28ee776be567855bd39ed8ff795ea19f55.zip
Merge branch 'x86/hyperv' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Topic branch for stable KVM clockource under Hyper-V. Thanks to Christoffer Dall for resolving the ARM conflict.
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;