pcm_file: another locking fix (coverity)

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/src/pcm/pcm_file.c b/src/pcm/pcm_file.c
index 54142a3d16efb07bf7d22b9c627e71f8f3f419ee..1ef80b599b06a792a1322ad309895e21a96cd546 100644 (file)
--- a/src/pcm/pcm_file.c
+++ b/src/pcm/pcm_file.c
@@ -612,18 +612,16 @@ static snd_pcm_sframes_t snd_pcm_file_readn(snd_pcm_t *pcm, void **bufs, snd_pcm
        snd_pcm_channel_area_t areas[pcm->channels];
        snd_pcm_sframes_t frames;
 
-       __snd_pcm_lock(pcm);
        frames = _snd_pcm_readn(file->gen.slave, bufs, size);
-       if (frames <= 0) {
-               __snd_pcm_unlock(pcm);
+       if (frames <= 0)
                return frames;
-       }
 
        snd_pcm_areas_from_bufs(pcm, areas, bufs);
        snd_pcm_file_areas_read_infile(pcm, areas, 0, frames);
+       __snd_pcm_lock(pcm);
        snd_pcm_file_add_frames(pcm, areas, 0, frames);
-
        __snd_pcm_unlock(pcm);
+
        return frames;
 }