aboutsummaryrefslogtreecommitdiff
path: root/sys/dev/null
diff options
context:
space:
mode:
authorMark Murray <markm@FreeBSD.org>2003-02-27 18:07:11 +0000
committerMark Murray <markm@FreeBSD.org>2003-02-27 18:07:11 +0000
commitef8b020c73f1b64a89302d1f8fd2e3443449f28a (patch)
treedbb0e89273caaf8e11cdae83458c346810393b69 /sys/dev/null
parent7503d74f543fde9e10e8a20c9c99da2f98b50545 (diff)
downloadsrc-ef8b020c73f1b64a89302d1f8fd2e3443449f28a.tar.gz
src-ef8b020c73f1b64a89302d1f8fd2e3443449f28a.zip
Warns and lint fix. Nearly all trivial stuff.
Notes
Notes: svn path=/head/; revision=111630
Diffstat (limited to 'sys/dev/null')
-rw-r--r--sys/dev/null/null.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/sys/dev/null/null.c b/sys/dev/null/null.c
index 908e533a9287..6bdce78131ba 100644
--- a/sys/dev/null/null.c
+++ b/sys/dev/null/null.c
@@ -36,8 +36,6 @@
#include <sys/disk.h>
#include <sys/bus.h>
#include <machine/bus.h>
-#include <machine/resource.h>
-#include <sys/rman.h>
/* For use with destroy_dev(9). */
static dev_t null_dev;
@@ -87,8 +85,9 @@ static struct cdevsw zero_cdevsw = {
static void *zbuf;
+/* ARGSUSED */
static int
-null_write(dev_t dev, struct uio *uio, int flags)
+null_write(dev_t dev __unused, struct uio *uio, int flags __unused)
{
uio->uio_resid = 0;
return 0;
@@ -107,21 +106,23 @@ null_ioctl(dev_t dev, u_long cmd, caddr_t data, int flags, struct thread *td)
return (set_dumper(NULL));
}
+/* ARGSUSED */
static int
-zero_read(dev_t dev, struct uio *uio, int flags)
+zero_read(dev_t dev __unused, struct uio *uio, int flags __unused)
{
- u_int c;
+ int c;
int error = 0;
while (uio->uio_resid > 0 && error == 0) {
- c = min(uio->uio_resid, PAGE_SIZE);
+ c = uio->uio_resid < PAGE_SIZE ? uio->uio_resid : PAGE_SIZE;
error = uiomove(zbuf, c, uio);
}
return error;
}
+/* ARGSUSED */
static int
-null_modevent(module_t mod, int type, void *data)
+null_modevent(module_t mod __unused, int type, void *data __unused)
{
switch(type) {
case MOD_LOAD: