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Use NULL instead of 0 in a few places as well as various whitespace fixes.

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This commit is contained in:
John Baldwin 2004-12-30 19:26:23 +00:00
parent 9e6c867ccc
commit 753d1af165
2 changed files with 12 additions and 12 deletions
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10
sys/i386/i386/sys_machdep.c
View File

@ -416,7 +416,7 @@ i386_set_ldt(td, args)
int error = 0, i;
int largest_ld;
struct mdproc *mdp = &td->td_proc->p_md;
struct proc_ldt *pldt = 0;
struct proc_ldt *pldt = NULL;
struct i386_ldt_args ua, *uap = &ua;
union descriptor *descs, *dp;
int descs_size;
@ -435,7 +435,7 @@ i386_set_ldt(td, args)
/*
* Treat this as a special case, so userland needn't
* know magic number NLDT.
*/
*/
uap->start = NLDT;
uap->num = MAX_LD - NLDT;
}
@ -555,7 +555,7 @@ i386_set_ldt(td, args)
/* Allocate a free slot */
pldt = mdp->md_ldt;
if (pldt == NULL) {
error = i386_ldt_grow(td, NLDT+1);
error = i386_ldt_grow(td, NLDT + 1);
if (error) {
kmem_free(kernel_map, (vm_offset_t)descs,
descs_size);
@ -630,8 +630,8 @@ i386_ldt_grow(struct thread *td, int len)
if (len > MAX_LD)
return (ENOMEM);
if (len < NLDT+1)
len = NLDT+1;
if (len < NLDT + 1)
len = NLDT + 1;
pldt = mdp->md_ldt;
/* allocate user ldt */
if (!pldt || len > pldt->ldt_len) {

14
sys/i386/i386/vm_machdep.c
View File

@ -242,9 +242,9 @@ cpu_fork(td1, p2, td2, flags)
*/
pcb2->pcb_ext = 0;
/* Copy the LDT, if necessary. */
/* Copy the LDT, if necessary. */
mtx_lock_spin(&sched_lock);
if (mdp2->md_ldt != 0) {
if (mdp2->md_ldt != NULL) {
if (flags & RFMEM) {
mdp2->md_ldt->ldt_refcnt++;
} else {
@ -253,7 +253,7 @@ cpu_fork(td1, p2, td2, flags)
if (mdp2->md_ldt == NULL)
panic("could not copy LDT");
}
}
}
mtx_unlock_spin(&sched_lock);
/*
@ -316,11 +316,11 @@ cpu_thread_exit(struct thread *td)
if (td == PCPU_GET(fpcurthread))
npxdrop();
#endif
if (pcb->pcb_flags & PCB_DBREGS) {
if (pcb->pcb_flags & PCB_DBREGS) {
/* disable all hardware breakpoints */
reset_dbregs();
pcb->pcb_flags &= ~PCB_DBREGS;
}
reset_dbregs();
pcb->pcb_flags &= ~PCB_DBREGS;
}
}
void