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example cdev: use make_dev_s

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Make use of make_dev_s in the example cdev. While here, fix warnings.

Reviewed by:	rpokala
This commit is contained in:
Eitan Adler 2018-01-26 04:24:39 +00:00
parent 44e0a832f2
commit 6058f7207a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=328428
2 changed files with 14 additions and 7 deletions
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10
share/examples/kld/cdev/module/cdev.c
View File

@ -104,7 +104,7 @@ mydev_open(struct cdev *dev, int flag, int otyp, struct thread *td)
{
struct proc *procp = td->td_proc;
printf("mydev_open: dev_t=%d, flag=%x, otyp=%x, procp=%p\n",
printf("mydev_open: dev_t=%lu, flag=%x, otyp=%x, procp=%p\n",
dev2udev(dev), flag, otyp, procp);
memset(&buf, '\0', 513);
len = 0;
@ -116,7 +116,7 @@ mydev_close(struct cdev *dev, int flag, int otyp, struct thread *td)
{
struct proc *procp = td->td_proc;
printf("mydev_close: dev_t=%d, flag=%x, otyp=%x, procp=%p\n",
printf("mydev_close: dev_t=%lu, flag=%x, otyp=%x, procp=%p\n",
dev2udev(dev), flag, otyp, procp);
return (0);
}
@ -128,7 +128,7 @@ mydev_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int mode,
int error = 0;
struct proc *procp = td->td_proc;
printf("mydev_ioctl: dev_t=%d, cmd=%lx, arg=%p, mode=%x procp=%p\n",
printf("mydev_ioctl: dev_t=%lu, cmd=%lx, arg=%p, mode=%x procp=%p\n",
dev2udev(dev), cmd, arg, mode, procp);
switch(cmd) {
@ -152,7 +152,7 @@ mydev_write(struct cdev *dev, struct uio *uio, int ioflag)
{
int err = 0;
printf("mydev_write: dev_t=%d, uio=%p, ioflag=%d\n",
printf("mydev_write: dev_t=%lu, uio=%p, ioflag=%d\n",
dev2udev(dev), uio, ioflag);
err = copyinstr(uio->uio_iov->iov_base, &buf, 512, &len);
@ -172,7 +172,7 @@ mydev_read(struct cdev *dev, struct uio *uio, int ioflag)
{
int err = 0;
printf("mydev_read: dev_t=%d, uio=%p, ioflag=%d\n",
printf("mydev_read: dev_t=%lu, uio=%p, ioflag=%d\n",
dev2udev(dev), uio, ioflag);
if (len <= 0) {

11
share/examples/kld/cdev/module/cdevmod.c
View File

@ -109,6 +109,7 @@ static int
cdev_load(module_t mod, int cmd, void *arg)
{
int err = 0;
struct make_dev_args mda;
switch (cmd) {
case MOD_LOAD:
@ -120,8 +121,14 @@ cdev_load(module_t mod, int cmd, void *arg)
printf("Copyright (c) 1998\n");
printf("Rajesh Vaidheeswarran\n");
printf("All rights reserved\n");
sdev = make_dev(&my_devsw, 0, UID_ROOT, GID_WHEEL, 0600, "cdev");
break; /* Success*/
make_dev_args_init(&mda);
mda.mda_devsw = &my_devsw;
mda.mda_uid = UID_ROOT;
mda.mda_gid = GID_WHEEL;
mda.mda_mode = 0600;
err = make_dev_s(&mda, &sdev, "cdev");
break;
case MOD_UNLOAD:
printf("Unloaded kld character device driver\n");