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-rw-r--r--sys/i386/i386/vm_machdep.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/i386/i386/vm_machdep.c b/sys/i386/i386/vm_machdep.c
index 033b8d86f8ce..7f211947eeb7 100644
--- a/sys/i386/i386/vm_machdep.c
+++ b/sys/i386/i386/vm_machdep.c
@@ -328,7 +328,7 @@ cpu_thread_clean(struct thread *td)
struct pcb *pcb;
pcb = td->td_pcb;
- if (pcb->pcb_ext != 0) {
+ if (pcb->pcb_ext != NULL) {
/* XXXKSE XXXSMP not SMP SAFE.. what locks do we have? */
/* if (pcb->pcb_ext->ext_refcount-- == 1) ?? */
/*
@@ -337,7 +337,7 @@ cpu_thread_clean(struct thread *td)
*/
kmem_free(kernel_map, (vm_offset_t)pcb->pcb_ext,
ctob(IOPAGES + 1));
- pcb->pcb_ext = 0;
+ pcb->pcb_ext = NULL;
}
}