[v2,6/7] unicore32: Use simpler API for random address requests
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Message ID 20160730154244.403-7-jason@lakedaemon.net
State New
Headers show

Commit Message

Jason Cooper July 30, 2016, 3:42 p.m. UTC
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 v1:
 - none

 arch/unicore32/kernel/process.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Patch
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diff --git a/arch/unicore32/kernel/process.c b/arch/unicore32/kernel/process.c
index 00299c927852..b856178cf167 100644
--- a/arch/unicore32/kernel/process.c
+++ b/arch/unicore32/kernel/process.c
@@ -295,8 +295,7 @@  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_addr(mm->brk, 0x02000000);
 }
 
 /*