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Code Issues Releases Activity

Remove direct access to si_name.

Browse Source 
Code should just use the devtoname() function to obtain the name of a
character device. Also add const keywords to pieces of code that need it
to build properly.

MFC after:	2 weeks
This commit is contained in:
Ed Schouten 2012-02-10 12:35:57 +00:00
parent 92858a92e0
commit 7870adb640
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=231378
12 changed files with 47 additions and 40 deletions
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6
sys/compat/linux/linux_stats.c
View File

@ -66,7 +66,7 @@ translate_vnhook_major_minor(struct vnode *vp, struct stat *sb)
int major, minor;
if (vp->v_type == VCHR && vp->v_rdev != NULL &&
linux_driver_get_major_minor(vp->v_rdev->si_name,
linux_driver_get_major_minor(devtoname(vp->v_rdev),
&major, &minor) == 0) {
sb->st_rdev = (major << 8 | minor);
}
@ -149,14 +149,14 @@ translate_fd_major_minor(struct thread *td, int fd, struct stat *buf)
return;
vp = fp->f_vnode;
if (vp != NULL && vp->v_rdev != NULL &&
linux_driver_get_major_minor(vp->v_rdev->si_name,
linux_driver_get_major_minor(devtoname(vp->v_rdev),
&major, &minor) == 0) {
buf->st_rdev = (major << 8 | minor);
} else if (fp->f_type == DTYPE_PTS) {
struct tty *tp = fp->f_data;
/* Convert the numbers for the slave device. */
if (linux_driver_get_major_minor(tp->t_dev->si_name,
if (linux_driver_get_major_minor(devtoname(tp->t_dev),
&major, &minor) == 0) {
buf->st_rdev = (major << 8 | minor);
}

2
sys/compat/linux/linux_util.c
View File

@ -124,7 +124,7 @@ linux_driver_get_name_dev(device_t dev)
}
int
linux_driver_get_major_minor(char *node, int *major, int *minor)
linux_driver_get_major_minor(const char *node, int *major, int *minor)
{
struct device_element *de;

2
sys/compat/linux/linux_util.h
View File

@ -97,7 +97,7 @@ struct linux_device_handler {
int linux_device_register_handler(struct linux_device_handler *h);
int linux_device_unregister_handler(struct linux_device_handler *h);
char *linux_driver_get_name_dev(device_t dev);
int linux_driver_get_major_minor(char *node, int *major, int *minor);
int linux_driver_get_major_minor(const char *node, int *major, int *minor);
char *linux_get_char_devices(void);
void linux_free_get_char_devices(char *string);

4
sys/dev/iscsi/initiator/isc_sm.c
View File

@ -652,13 +652,13 @@ static void
isc_add_sysctls(isc_session_t *sp)
{
debug_called(8);
sdebug(6, "sid=%d %s", sp->sid, sp->dev->si_name);
sdebug(6, "sid=%d %s", sp->sid, devtoname(sp->dev));
sysctl_ctx_init(&sp->clist);
sp->oid = SYSCTL_ADD_NODE(&sp->clist,
SYSCTL_CHILDREN(sp->isc->oid),
OID_AUTO,
sp->dev->si_name+5, // iscsi0
devtoname(sp->dev) + 5, // iscsi0
CTLFLAG_RD,
0,
"initiator");

2
sys/dev/sound/pcm/mixer.c
View File

@ -1463,7 +1463,7 @@ mixer_oss_mixerinfo(struct cdev *i_dev, oss_mixerinfo *mi)
*
* XXX Described by Hannu@4Front, but not found in
* soundcard.h.
strlcpy(mi->devnode, d->mixer_dev->si_name,
strlcpy(mi->devnode, devtoname(d->mixer_dev),
sizeof(mi->devnode));
mi->legacy_device = i;
*/

2
sys/dev/usb/usb_dev.c
View File

@ -842,7 +842,7 @@ usb_open(struct cdev *dev, int fflags, int devtype, struct thread *td)
struct usb_cdev_privdata *cpd;
int err, ep;
DPRINTFN(2, "%s fflags=0x%08x\n", dev->si_name, fflags);
DPRINTFN(2, "%s fflags=0x%08x\n", devtoname(dev), fflags);
KASSERT(fflags & (FREAD|FWRITE), ("invalid open flags"));
if (((fflags & FREAD) && !(pd->mode & FREAD)) ||

4
sys/dev/wtap/if_wtap.c
View File

@ -84,7 +84,7 @@ wtap_node_write(struct cdev *dev, struct uio *uio, int ioflag)
uint8_t buf[1024];
int buf_len;
uprintf("write device %s \"echo.\"\n", dev->si_name);
uprintf("write device %s \"echo.\"\n", devtoname(dev));
buf_len = MIN(uio->uio_iov->iov_len, 1024);
err = copyin(uio->uio_iov->iov_base, buf, buf_len);
@ -101,7 +101,7 @@ wtap_node_write(struct cdev *dev, struct uio *uio, int ioflag)
TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
printf("ifp->if_xname = %s\n", ifp->if_xname);
if(strcmp(dev->si_name, ifp->if_xname) == 0){
if(strcmp(devtoname(dev), ifp->if_xname) == 0){
printf("found match, correspoding wtap = %s\n",
ifp->if_xname);
sc = (struct wtap_softc *)ifp->if_softc;

5
sys/netgraph/ng_device.c
View File

@ -203,6 +203,7 @@ ng_device_rcvmsg(node_p node, item_p item, hook_p lasthook)
const priv_p priv = NG_NODE_PRIVATE(node);
struct ng_mesg *msg;
struct ng_mesg *resp = NULL;
const char *dn;
int error = 0;
NGI_GET_MSG(item, msg);
@ -217,8 +218,8 @@ ng_device_rcvmsg(node_p node, item_p item, hook_p lasthook)
if (resp == NULL)
ERROUT(ENOMEM);
strlcpy((char *)resp->data, priv->ngddev->si_name,
strlen(priv->ngddev->si_name) + 1);
dn = devtoname(priv->ngddev);
strlcpy((char *)resp->data, dn, strlen(dn) + 1);
break;
default:

16
sys/security/mac_biba/mac_biba.c
View File

@ -948,18 +948,20 @@ biba_devfs_create_device(struct ucred *cred, struct mount *mp,
struct cdev *dev, struct devfs_dirent *de, struct label *delabel)
{
struct mac_biba *mb;
const char *dn;
int biba_type;
mb = SLOT(delabel);
if (strcmp(dev->si_name, "null") == 0 ||
strcmp(dev->si_name, "zero") == 0 ||
strcmp(dev->si_name, "random") == 0 ||
strncmp(dev->si_name, "fd/", strlen("fd/")) == 0)
dn = devtoname(dev);
if (strcmp(dn, "null") == 0 ||
strcmp(dn, "zero") == 0 ||
strcmp(dn, "random") == 0 ||
strncmp(dn, "fd/", strlen("fd/")) == 0)
biba_type = MAC_BIBA_TYPE_EQUAL;
else if (ptys_equal &&
(strncmp(dev->si_name, "ttyp", strlen("ttyp")) == 0 ||
strncmp(dev->si_name, "pts/", strlen("pts/")) == 0 ||
strncmp(dev->si_name, "ptyp", strlen("ptyp")) == 0))
(strncmp(dn, "ttyp", strlen("ttyp")) == 0 ||
strncmp(dn, "pts/", strlen("pts/")) == 0 ||
strncmp(dn, "ptyp", strlen("ptyp")) == 0))
biba_type = MAC_BIBA_TYPE_EQUAL;
else
biba_type = MAC_BIBA_TYPE_HIGH;

18
sys/security/mac_lomac/mac_lomac.c
View File

@ -1032,19 +1032,21 @@ lomac_devfs_create_device(struct ucred *cred, struct mount *mp,
struct cdev *dev, struct devfs_dirent *de, struct label *delabel)
{
struct mac_lomac *ml;
const char *dn;
int lomac_type;
ml = SLOT(delabel);
if (strcmp(dev->si_name, "null") == 0 ||
strcmp(dev->si_name, "zero") == 0 ||
strcmp(dev->si_name, "random") == 0 ||
strncmp(dev->si_name, "fd/", strlen("fd/")) == 0 ||
strncmp(dev->si_name, "ttyv", strlen("ttyv")) == 0)
dn = devtoname(dev);
if (strcmp(dn, "null") == 0 ||
strcmp(dn, "zero") == 0 ||
strcmp(dn, "random") == 0 ||
strncmp(dn, "fd/", strlen("fd/")) == 0 ||
strncmp(dn, "ttyv", strlen("ttyv")) == 0)
lomac_type = MAC_LOMAC_TYPE_EQUAL;
else if (ptys_equal &&
(strncmp(dev->si_name, "ttyp", strlen("ttyp")) == 0 ||
strncmp(dev->si_name, "pts/", strlen("pts/")) == 0 ||
strncmp(dev->si_name, "ptyp", strlen("ptyp")) == 0))
(strncmp(dn, "ttyp", strlen("ttyp")) == 0 ||
strncmp(dn, "pts/", strlen("pts/")) == 0 ||
strncmp(dn, "ptyp", strlen("ptyp")) == 0))
lomac_type = MAC_LOMAC_TYPE_EQUAL;
else
lomac_type = MAC_LOMAC_TYPE_HIGH;

20
sys/security/mac_mls/mac_mls.c
View File

@ -908,21 +908,23 @@ mls_devfs_create_device(struct ucred *cred, struct mount *mp,
struct cdev *dev, struct devfs_dirent *de, struct label *delabel)
{
struct mac_mls *mm;
const char *dn;
int mls_type;
mm = SLOT(delabel);
if (strcmp(dev->si_name, "null") == 0 ||
strcmp(dev->si_name, "zero") == 0 ||
strcmp(dev->si_name, "random") == 0 ||
strncmp(dev->si_name, "fd/", strlen("fd/")) == 0)
dn = devtoname(dev);
if (strcmp(dn, "null") == 0 ||
strcmp(dn, "zero") == 0 ||
strcmp(dn, "random") == 0 ||
strncmp(dn, "fd/", strlen("fd/")) == 0)
mls_type = MAC_MLS_TYPE_EQUAL;
else if (strcmp(dev->si_name, "kmem") == 0 ||
strcmp(dev->si_name, "mem") == 0)
else if (strcmp(dn, "kmem") == 0 ||
strcmp(dn, "mem") == 0)
mls_type = MAC_MLS_TYPE_HIGH;
else if (ptys_equal &&
(strncmp(dev->si_name, "ttyp", strlen("ttyp")) == 0 ||
strncmp(dev->si_name, "pts/", strlen("pts/")) == 0 ||
strncmp(dev->si_name, "ptyp", strlen("ptyp")) == 0))
(strncmp(dn, "ttyp", strlen("ttyp")) == 0 ||
strncmp(dn, "pts/", strlen("pts/")) == 0 ||
strncmp(dn, "ptyp", strlen("ptyp")) == 0))
mls_type = MAC_MLS_TYPE_EQUAL;
else
mls_type = MAC_MLS_TYPE_LOW;

6
sys/vm/swap_pager.c
View File

@ -2320,7 +2320,7 @@ swapoff_all(void)
TAILQ_FOREACH_SAFE(sp, &swtailq, sw_list, spt) {
mtx_unlock(&sw_dev_mtx);
if (vn_isdisk(sp->sw_vp, NULL))
devname = sp->sw_vp->v_rdev->si_name;
devname = devtoname(sp->sw_vp->v_rdev);
else
devname = "[file]";
error = swapoff_one(sp, thread0.td_ucred);
@ -2358,7 +2358,7 @@ int
swap_dev_info(int name, struct xswdev *xs, char *devname, size_t len)
{
struct swdevt *sp;
char *tmp_devname;
const char *tmp_devname;
int error, n;
n = 0;
@ -2376,7 +2376,7 @@ swap_dev_info(int name, struct xswdev *xs, char *devname, size_t len)
xs->xsw_used = sp->sw_used;
if (devname != NULL) {
if (vn_isdisk(sp->sw_vp, NULL))
tmp_devname = sp->sw_vp->v_rdev->si_name;
tmp_devname = devtoname(sp->sw_vp->v_rdev);
else
tmp_devname = "[file]";
strncpy(devname, tmp_devname, len);