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-rw-r--r--sound/core/rawmidi.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index 0f5a194..eb68326 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,