Remove the thread argument from ifr_buffer_*() accessors.

They are always used in a context where curthread is the correct thread.
This makes them more similar to the ifr_data_get_ptr() accessor.
This commit is contained in:
brooks 2018-04-06 23:25:54 +00:00
parent a8d4adc969
commit c2e6899488

View File

@ -2403,13 +2403,13 @@ ifunit(const char *name)
}
static void *
ifr_buffer_get_buffer(struct thread *td, void *data)
ifr_buffer_get_buffer(void *data)
{
union ifreq_union *ifrup;
ifrup = data;
#ifdef COMPAT_FREEBSD32
if (SV_PROC_FLAG(td->td_proc, SV_ILP32))
if (SV_CURPROC_FLAG(SV_ILP32))
return ((void *)(uintptr_t)
ifrup->ifr32.ifr_ifru.ifru_buffer.buffer);
#endif
@ -2417,13 +2417,13 @@ ifr_buffer_get_buffer(struct thread *td, void *data)
}
static void
ifr_buffer_set_buffer_null(struct thread *td, void *data)
ifr_buffer_set_buffer_null(void *data)
{
union ifreq_union *ifrup;
ifrup = data;
#ifdef COMPAT_FREEBSD32
if (SV_PROC_FLAG(td->td_proc, SV_ILP32))
if (SV_CURPROC_FLAG(SV_ILP32))
ifrup->ifr32.ifr_ifru.ifru_buffer.buffer = 0;
else
#endif
@ -2431,26 +2431,26 @@ ifr_buffer_set_buffer_null(struct thread *td, void *data)
}
static size_t
ifr_buffer_get_length(struct thread *td, void *data)
ifr_buffer_get_length(void *data)
{
union ifreq_union *ifrup;
ifrup = data;
#ifdef COMPAT_FREEBSD32
if (SV_PROC_FLAG(td->td_proc, SV_ILP32))
if (SV_CURPROC_FLAG(SV_ILP32))
return (ifrup->ifr32.ifr_ifru.ifru_buffer.length);
#endif
return (ifrup->ifr.ifr_ifru.ifru_buffer.length);
}
static void
ifr_buffer_set_length(struct thread *td, void *data, size_t len)
ifr_buffer_set_length(void *data, size_t len)
{
union ifreq_union *ifrup;
ifrup = data;
#ifdef COMPAT_FREEBSD32
if (SV_PROC_FLAG(td->td_proc, SV_ILP32))
if (SV_CURPROC_FLAG(SV_ILP32))
ifrup->ifr32.ifr_ifru.ifru_buffer.length = len;
else
#endif
@ -2531,12 +2531,12 @@ ifhwioctl(u_long cmd, struct ifnet *ifp, caddr_t data, struct thread *td)
else {
/* space for terminating nul */
descrlen = strlen(ifp->if_description) + 1;
if (ifr_buffer_get_length(td, ifr) < descrlen)
ifr_buffer_set_buffer_null(td, ifr);
if (ifr_buffer_get_length(ifr) < descrlen)
ifr_buffer_set_buffer_null(ifr);
else
error = copyout(ifp->if_description,
ifr_buffer_get_buffer(td, ifr), descrlen);
ifr_buffer_set_length(td, ifr, descrlen);
ifr_buffer_get_buffer(ifr), descrlen);
ifr_buffer_set_length(ifr, descrlen);
}
sx_sunlock(&ifdescr_sx);
break;
@ -2552,15 +2552,15 @@ ifhwioctl(u_long cmd, struct ifnet *ifp, caddr_t data, struct thread *td)
* length parameter is supposed to count the
* terminating nul in.
*/
if (ifr_buffer_get_length(td, ifr) > ifdescr_maxlen)
if (ifr_buffer_get_length(ifr) > ifdescr_maxlen)
return (ENAMETOOLONG);
else if (ifr_buffer_get_length(td, ifr) == 0)
else if (ifr_buffer_get_length(ifr) == 0)
descrbuf = NULL;
else {
descrbuf = malloc(ifr_buffer_get_length(td, ifr),
descrbuf = malloc(ifr_buffer_get_length(ifr),
M_IFDESCR, M_WAITOK | M_ZERO);
error = copyin(ifr_buffer_get_buffer(td, ifr), descrbuf,
ifr_buffer_get_length(td, ifr) - 1);
error = copyin(ifr_buffer_get_buffer(ifr), descrbuf,
ifr_buffer_get_length(ifr) - 1);
if (error) {
free(descrbuf, M_IFDESCR);
break;