Device megapatch 4/6:

Introduce d_version field in struct cdevsw, this must always be
initialized to D_VERSION.

Flip sense of D_NOGIANT flag to D_NEEDGIANT, this involves removing
four D_NOGIANT flags and adding 145 D_NEEDGIANT flags.

1 files changed, 3 insertions, 2 deletions

diff --git a/sys/dev/null/null.c b/sys/dev/null/null.c
index 84dae30..314f460 100644
--- a/sys/dev/null/null.c
+++ b/sys/dev/null/null.c
@@ -52,20 +52,21 @@ static d_read_t zero_read;
 #define ZERO_MINOR	12
 
 static struct cdevsw null_cdevsw = {
+	.d_version =	D_VERSION,
 	.d_read =	(d_read_t *)nullop,
 	.d_write =	null_write,
 	.d_ioctl =	null_ioctl,
 	.d_name =	"null",
 	.d_maj =	CDEV_MAJOR,
-	.d_flags =	D_NOGIANT,
 };
 
 static struct cdevsw zero_cdevsw = {
+	.d_version =	D_VERSION,
 	.d_read =	zero_read,
 	.d_write =	null_write,
 	.d_name =	"zero",
 	.d_maj =	CDEV_MAJOR,
-	.d_flags =	D_MMAP_ANON | D_NOGIANT,
+	.d_flags =	D_MMAP_ANON,
 };
 
 static void *zbuf;