1 files changed, 5 insertions, 0 deletions

diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index 0f5a194695d9..eb68326c37d4 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -376,6 +376,10 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file)
         if ((file->f_flags & O_APPEND) && !(file->f_flags & O_NONBLOCK)) 
                 return -EINVAL;         /* invalid combination */
 
+        err = nonseekable_open(inode, file);
+        if (err < 0)
+                return err;
+
         if (maj == snd_major) {
                 rmidi = snd_lookup_minor_data(iminor(inode),
                                               SNDRV_DEVICE_TYPE_RAWMIDI);
@@ -1391,6 +1395,7 @@ static const struct file_operations snd_rawmidi_f_ops =
         .write =        snd_rawmidi_write,
         .open =         snd_rawmidi_open,
         .release =      snd_rawmidi_release,
+        .llseek =       no_llseek,
         .poll =         snd_rawmidi_poll,
         .unlocked_ioctl =       snd_rawmidi_ioctl,
         .compat_ioctl = snd_rawmidi_ioctl_compat,