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-rw-r--r--sys/dev/speaker/spkr.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/dev/speaker/spkr.c b/sys/dev/speaker/spkr.c
index e82ef46..e73ab8d 100644
--- a/sys/dev/speaker/spkr.c
+++ b/sys/dev/speaker/spkr.c
@@ -34,6 +34,8 @@ static d_write_t spkrwrite;
static d_ioctl_t spkrioctl;
static struct cdevsw spkr_cdevsw = {
+ .d_version = D_VERSION,
+ .d_flags = D_NEEDGIANT,
.d_open = spkropen,
.d_close = spkrclose,
.d_write = spkrwrite,
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