| Message ID | 20160803233913.32511-4-jason@lakedaemon.net (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 4a803c5a1ff7..3ee2fb4c9ae6 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -314,8 +314,7 @@ unsigned long get_wchan(struct task_struct *p) unsigned long arch_randomize_brk(struct mm_struct *mm) { - unsigned long range_end = mm->brk + 0x02000000; - return randomize_range(mm->brk, range_end, 0) ? : mm->brk; + return randomize_page(mm->brk, 0x02000000); } #ifdef CONFIG_MMU
Currently, all callers to randomize_range() set the length to 0 and calculate end by adding a constant to the start address. We can simplify the API to remove a bunch of needless checks and variables. Use the new randomize_addr(start, range) call to set the requested address. Signed-off-by: Jason Cooper <jason@lakedaemon.net> --- Changes from v2: - s/randomize_addr/randomize_page/ (Kees Cook) arch/arm/kernel/process.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)