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Diffstat (limited to 'arch/sparc64/kernel/sys_sparc32.c')
-rw-r--r--arch/sparc64/kernel/sys_sparc32.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/sparc64/kernel/sys_sparc32.c b/arch/sparc64/kernel/sys_sparc32.c
index 417727bd87ba..0e41df024489 100644
--- a/arch/sparc64/kernel/sys_sparc32.c
+++ b/arch/sparc64/kernel/sys_sparc32.c
@@ -62,6 +62,7 @@
62#include <asm/fpumacro.h> 62#include <asm/fpumacro.h>
63#include <asm/semaphore.h> 63#include <asm/semaphore.h>
64#include <asm/mmu_context.h> 64#include <asm/mmu_context.h>
65#include <asm/a.out.h>
65 66
66asmlinkage long sys32_chown16(const char __user * filename, u16 user, u16 group) 67asmlinkage long sys32_chown16(const char __user * filename, u16 user, u16 group)
67{ 68{
@@ -1039,15 +1040,15 @@ asmlinkage unsigned long sys32_mremap(unsigned long addr,
1039 unsigned long ret = -EINVAL; 1040 unsigned long ret = -EINVAL;
1040 unsigned long new_addr = __new_addr; 1041 unsigned long new_addr = __new_addr;
1041 1042
1042 if (old_len > 0xf0000000UL || new_len > 0xf0000000UL) 1043 if (old_len > STACK_TOP32 || new_len > STACK_TOP32)
1043 goto out; 1044 goto out;
1044 if (addr > 0xf0000000UL - old_len) 1045 if (addr > STACK_TOP32 - old_len)
1045 goto out; 1046 goto out;
1046 down_write(&current->mm->mmap_sem); 1047 down_write(&current->mm->mmap_sem);
1047 if (flags & MREMAP_FIXED) { 1048 if (flags & MREMAP_FIXED) {
1048 if (new_addr > 0xf0000000UL - new_len) 1049 if (new_addr > STACK_TOP32 - new_len)
1049 goto out_sem; 1050 goto out_sem;
1050 } else if (addr > 0xf0000000UL - new_len) { 1051 } else if (addr > STACK_TOP32 - new_len) {
1051 unsigned long map_flags = 0; 1052 unsigned long map_flags = 0;
1052 struct file *file = NULL; 1053 struct file *file = NULL;
1053 1054