From 9af4e7fedab490fec6e831912859d6be92e9140d Mon Sep 17 00:00:00 2001 From: Xi Wang Date: Tue, 13 Nov 2012 17:12:11 -0500 Subject: ALSA: core: fix NULL checking in snd_pcm_plug_client_size() The dereference snd_pcm_plug_stream(plug) should come after the NULL check snd_BUG_ON(!plug). Signed-off-by: Xi Wang Signed-off-by: Takashi Iwai --- sound/core/oss/pcm_plugin.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'sound') diff --git a/sound/core/oss/pcm_plugin.c b/sound/core/oss/pcm_plugin.c index 71cc3ddf5c15..f0d7b1566a10 100644 --- a/sound/core/oss/pcm_plugin.c +++ b/sound/core/oss/pcm_plugin.c @@ -199,12 +199,13 @@ int snd_pcm_plugin_free(struct snd_pcm_plugin *plugin) snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *plug, snd_pcm_uframes_t drv_frames) { struct snd_pcm_plugin *plugin, *plugin_prev, *plugin_next; - int stream = snd_pcm_plug_stream(plug); + int stream; if (snd_BUG_ON(!plug)) return -ENXIO; if (drv_frames == 0) return 0; + stream = snd_pcm_plug_stream(plug); if (stream == SNDRV_PCM_STREAM_PLAYBACK) { plugin = snd_pcm_plug_last(plug); while (plugin && drv_frames > 0) { -- cgit