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Move an assignment, drop a label, and change gotos to break statements

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in vm_map_unwire. The code generated on amd86 is unchanged.

Approved by: markj (mentor)
Differential Revision: https://reviews.freebsd.org/D20850
This commit is contained in:
Doug Moore 2019-07-04 19:25:30 +00:00
parent b71f9b0de6
commit d2860f22a4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=349745
1 changed files with 4 additions and 5 deletions
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9
sys/vm/vm_map.c
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@ -2867,6 +2867,7 @@ vm_map_unwire(vm_map_t map, vm_offset_t start, vm_offset_t end,
}
last_timestamp = map->timestamp;
entry = first_entry;
rv = KERN_SUCCESS;
while (entry->start < end) {
if (entry->eflags & MAP_ENTRY_IN_TRANSITION) {
/*
@ -2902,7 +2903,7 @@ vm_map_unwire(vm_map_t map, vm_offset_t start, vm_offset_t end,
}
end = saved_start;
rv = KERN_INVALID_ADDRESS;
goto done;
break;
}
}
if (entry == first_entry)
@ -2933,7 +2934,7 @@ vm_map_unwire(vm_map_t map, vm_offset_t start, vm_offset_t end,
(entry->end < end && entry->next->start > entry->end)) {
end = entry->end;
rv = KERN_INVALID_ADDRESS;
goto done;
break;
}
/*
* If system unwiring, require that the entry is system wired.
@ -2942,12 +2943,10 @@ vm_map_unwire(vm_map_t map, vm_offset_t start, vm_offset_t end,
vm_map_entry_system_wired_count(entry) == 0) {
end = entry->end;
rv = KERN_INVALID_ARGUMENT;
goto done;
break;
}
entry = entry->next;
}
rv = KERN_SUCCESS;
done:
need_wakeup = false;
if (first_entry == NULL &&
!vm_map_lookup_entry(map, start, &first_entry)) {