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Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/kernel/process.c4
-rw-r--r--arch/s390/kernel/vdso.c2
-rw-r--r--arch/s390/mm/mmap.c2
3 files changed, 4 insertions, 4 deletions
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index d5119e039d85..42af4b3aa02b 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -224,13 +224,13 @@ unsigned long __get_wchan(struct task_struct *p)
unsigned long arch_align_stack(unsigned long sp)
{
if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
- sp -= get_random_int() & ~PAGE_MASK;
+ sp -= prandom_u32_max(PAGE_SIZE);
return sp & ~0xf;
}
static inline unsigned long brk_rnd(void)
{
- return (get_random_int() & BRK_RND_MASK) << PAGE_SHIFT;
+ return (get_random_u16() & BRK_RND_MASK) << PAGE_SHIFT;
}
unsigned long arch_randomize_brk(struct mm_struct *mm)
diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c
index 535099f2736d..3105ca5bd470 100644
--- a/arch/s390/kernel/vdso.c
+++ b/arch/s390/kernel/vdso.c
@@ -227,7 +227,7 @@ static unsigned long vdso_addr(unsigned long start, unsigned long len)
end -= len;
if (end > start) {
- offset = get_random_int() % (((end - start) >> PAGE_SHIFT) + 1);
+ offset = prandom_u32_max(((end - start) >> PAGE_SHIFT) + 1);
addr = start + (offset << PAGE_SHIFT);
} else {
addr = start;
diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c
index 5980ce348832..3327c47bc181 100644
--- a/arch/s390/mm/mmap.c
+++ b/arch/s390/mm/mmap.c
@@ -37,7 +37,7 @@ static inline int mmap_is_legacy(struct rlimit *rlim_stack)
unsigned long arch_mmap_rnd(void)
{
- return (get_random_int() & MMAP_RND_MASK) << PAGE_SHIFT;
+ return (get_random_u32() & MMAP_RND_MASK) << PAGE_SHIFT;
}
static unsigned long mmap_base_legacy(unsigned long rnd)