Do not dereference NULL pointer.
Reported by: Peter Holm Reviewed by: alc Approved by: re (kensmith)
This commit is contained in:
parent
1649bbbb94
commit
4ab8ab9285
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=172475
@ -431,14 +431,13 @@ RetryFault:;
|
||||
if (!vm_page_count_severe()) {
|
||||
fs.m = vm_page_alloc(fs.object, fs.pindex,
|
||||
(fs.vp || fs.object->backing_object)? VM_ALLOC_NORMAL: VM_ALLOC_ZERO);
|
||||
if ((fs.m->valid & VM_PAGE_BITS_ALL) == VM_PAGE_BITS_ALL)
|
||||
break;
|
||||
}
|
||||
if (fs.m == NULL) {
|
||||
unlock_and_deallocate(&fs);
|
||||
VM_WAITPFAULT;
|
||||
goto RetryFault;
|
||||
}
|
||||
} else if ((fs.m->valid & VM_PAGE_BITS_ALL) == VM_PAGE_BITS_ALL)
|
||||
break;
|
||||
}
|
||||
|
||||
readrest:
|
||||
|
Loading…
Reference in New Issue
Block a user