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Rewrite a loop in vm_map_wire() so that gcc doesn't think that the variable

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"rv" is uninitialized.

Reported by:	bz
This commit is contained in:
Alan Cox 2014-08-02 17:58:20 +00:00
parent 2661dd32df
commit 0b69568411
1 changed files with 3 additions and 3 deletions
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6
sys/vm/vm_map.c
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@ -2569,8 +2569,8 @@ vm_map_wire(vm_map_t map, vm_offset_t start, vm_offset_t end,
vm_map_busy(map);
vm_map_unlock(map);
for (faddr = saved_start; faddr < saved_end; faddr +=
PAGE_SIZE) {
faddr = saved_start;
do {
/*
* Simulate a fault to get the page and enter
* it into the physical map.
@ -2578,7 +2578,7 @@ vm_map_wire(vm_map_t map, vm_offset_t start, vm_offset_t end,
if ((rv = vm_fault(map, faddr, VM_PROT_NONE,
VM_FAULT_CHANGE_WIRING)) != KERN_SUCCESS)
break;
}
} while ((faddr += PAGE_SIZE) < saved_end);
vm_map_lock(map);
vm_map_unbusy(map);
if (last_timestamp + 1 != map->timestamp) {