pcm_file: return errno in case of a failed write operation

allows correct error code propagation for snd_pcm_file_write_bytes caller

Signed-off-by: Adam Miartus <amiartus@de.adit-jv.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/src/pcm/pcm_file.c b/src/pcm/pcm_file.c
index 11d0953db1208083707377cba0460d5a82233049..ab47da8d70222b07d254307da5146bbe9b93a9f8 100644 (file)
--- a/src/pcm/pcm_file.c
+++ b/src/pcm/pcm_file.c
@@ -402,6 +402,7 @@ static int snd_pcm_file_write_bytes(snd_pcm_t *pcm, size_t bytes)
                        n = cont;
                err = write(file->fd, file->wbuf + file->file_ptr_bytes, n);
                if (err < 0) {
+                       err = -errno;
                        SYSERR("%s write failed, file data may be corrupt", file->fname);
                        return err;
                }