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A good dose of style.9. No functional change.

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This commit is contained in:
markm 2002-09-21 19:02:17 +00:00
parent efd3f8f916
commit 6b1c92e89e
2 changed files with 34 additions and 42 deletions
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38
sys/amd64/amd64/mem.c
View File

@ -182,19 +182,17 @@ mmrw(dev_t dev, struct uio *uio, int flags)
eaddr = round_page(uio->uio_offset + c);
if (addr < (vm_offset_t)VADDR(PTDPTDI, 0))
return EFAULT;
return (EFAULT);
if (eaddr >= (vm_offset_t)VADDR(APTDPTDI, 0))
return EFAULT;
return (EFAULT);
for (; addr < eaddr; addr += PAGE_SIZE)
if (pmap_extract(kernel_pmap, addr) == 0) {
return EFAULT;
}
if (pmap_extract(kernel_pmap, addr) == 0)
return (EFAULT);
if (!kernacc((caddr_t)(int)uio->uio_offset, c,
uio->uio_rw == UIO_READ ?
VM_PROT_READ : VM_PROT_WRITE)) {
VM_PROT_READ : VM_PROT_WRITE))
return (EFAULT);
}
error = uiomove((caddr_t)(int)uio->uio_offset, (int)c, uio);
continue;
}
@ -221,14 +219,14 @@ memmmap(dev_t dev, vm_offset_t offset, int prot)
/* minor device 0 is physical memory */
case 0:
return i386_btop(offset);
return (i386_btop(offset));
/* minor device 1 is kernel memory */
case 1:
return i386_btop(vtophys(offset));
return (i386_btop(vtophys(offset)));
default:
return -1;
return (-1);
}
}
@ -270,9 +268,9 @@ mmioctl(dev_t dev, u_long cmd, caddr_t data, int flags, struct thread *td)
error = copyout(md, mo->mo_desc,
nd * sizeof(struct mem_range_desc));
free(md, M_MEMDESC);
} else {
nd = mem_range_softc.mr_ndesc;
}
else
nd = mem_range_softc.mr_ndesc;
mo->mo_arg[0] = nd;
break;
@ -301,13 +299,11 @@ mem_range_attr_get(struct mem_range_desc *mrd, int *arg)
if (mem_range_softc.mr_op == NULL)
return (EOPNOTSUPP);
if (*arg == 0) {
if (*arg == 0)
*arg = mem_range_softc.mr_ndesc;
}
else {
else
bcopy(mem_range_softc.mr_desc, mrd,
(*arg) * sizeof(struct mem_range_desc));
}
return (0);
}
@ -326,7 +322,7 @@ void
mem_range_AP_init(void)
{
if (mem_range_softc.mr_op && mem_range_softc.mr_op->initAP)
return (mem_range_softc.mr_op->initAP(&mem_range_softc));
(mem_range_softc.mr_op->initAP(&mem_range_softc));
}
#endif
@ -347,19 +343,19 @@ mem_modevent(module_t mod, int type, void *data)
0640, "kmem");
iodev = make_dev(&mem_cdevsw, 14, UID_ROOT, GID_WHEEL,
0600, "io");
return 0;
return (0);
case MOD_UNLOAD:
destroy_dev(memdev);
destroy_dev(kmemdev);
destroy_dev(iodev);
return 0;
return (0);
case MOD_SHUTDOWN:
return 0;
return (0);
default:
return EOPNOTSUPP;
return (EOPNOTSUPP);
}
}

38
sys/i386/i386/mem.c
View File

@ -182,19 +182,17 @@ mmrw(dev_t dev, struct uio *uio, int flags)
eaddr = round_page(uio->uio_offset + c);
if (addr < (vm_offset_t)VADDR(PTDPTDI, 0))
return EFAULT;
return (EFAULT);
if (eaddr >= (vm_offset_t)VADDR(APTDPTDI, 0))
return EFAULT;
return (EFAULT);
for (; addr < eaddr; addr += PAGE_SIZE)
if (pmap_extract(kernel_pmap, addr) == 0) {
return EFAULT;
}
if (pmap_extract(kernel_pmap, addr) == 0)
return (EFAULT);
if (!kernacc((caddr_t)(int)uio->uio_offset, c,
uio->uio_rw == UIO_READ ?
VM_PROT_READ : VM_PROT_WRITE)) {
VM_PROT_READ : VM_PROT_WRITE))
return (EFAULT);
}
error = uiomove((caddr_t)(int)uio->uio_offset, (int)c, uio);
continue;
}
@ -221,14 +219,14 @@ memmmap(dev_t dev, vm_offset_t offset, int prot)
/* minor device 0 is physical memory */
case 0:
return i386_btop(offset);
return (i386_btop(offset));
/* minor device 1 is kernel memory */
case 1:
return i386_btop(vtophys(offset));
return (i386_btop(vtophys(offset)));
default:
return -1;
return (-1);
}
}
@ -270,9 +268,9 @@ mmioctl(dev_t dev, u_long cmd, caddr_t data, int flags, struct thread *td)
error = copyout(md, mo->mo_desc,
nd * sizeof(struct mem_range_desc));
free(md, M_MEMDESC);
} else {
nd = mem_range_softc.mr_ndesc;
}
else
nd = mem_range_softc.mr_ndesc;
mo->mo_arg[0] = nd;
break;
@ -301,13 +299,11 @@ mem_range_attr_get(struct mem_range_desc *mrd, int *arg)
if (mem_range_softc.mr_op == NULL)
return (EOPNOTSUPP);
if (*arg == 0) {
if (*arg == 0)
*arg = mem_range_softc.mr_ndesc;
}
else {
else
bcopy(mem_range_softc.mr_desc, mrd,
(*arg) * sizeof(struct mem_range_desc));
}
return (0);
}
@ -326,7 +322,7 @@ void
mem_range_AP_init(void)
{
if (mem_range_softc.mr_op && mem_range_softc.mr_op->initAP)
return (mem_range_softc.mr_op->initAP(&mem_range_softc));
(mem_range_softc.mr_op->initAP(&mem_range_softc));
}
#endif
@ -347,19 +343,19 @@ mem_modevent(module_t mod, int type, void *data)
0640, "kmem");
iodev = make_dev(&mem_cdevsw, 14, UID_ROOT, GID_WHEEL,
0600, "io");
return 0;
return (0);
case MOD_UNLOAD:
destroy_dev(memdev);
destroy_dev(kmemdev);
destroy_dev(iodev);
return 0;
return (0);
case MOD_SHUTDOWN:
return 0;
return (0);
default:
return EOPNOTSUPP;
return (EOPNOTSUPP);
}
}