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Add sanity check from kmalloc. Don't zero if it is null

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This commit is contained in:
Stephen Marz 2019-10-10 08:45:39 -04:00
parent a110d17355
commit 450a152b24
1 changed files with 5 additions and 3 deletions
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2
risc_v/ch3/src/kmem.rs
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@ -87,11 +87,13 @@ pub fn kzmalloc(sz: usize) -> *mut u8 {
let size = align_val(sz, 3); let size = align_val(sz, 3);
let ret = kmalloc(size); let ret = kmalloc(size);
if !ret.is_null() {
for i in 0..size { for i in 0..size {
unsafe { unsafe {
(*ret.add(i)) = 0; (*ret.add(i)) = 0;
} }
} }
}
ret ret
} }