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Diffstat (limited to 'arch/sparc/include/asm/compat.h')
-rw-r--r--arch/sparc/include/asm/compat.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h
index cef99fbc0a21..830502fe62b4 100644
--- a/arch/sparc/include/asm/compat.h
+++ b/arch/sparc/include/asm/compat.h
@@ -232,9 +232,10 @@ static inline void __user *arch_compat_alloc_user_space(long len)
struct pt_regs *regs = current_thread_info()->kregs;
unsigned long usp = regs->u_regs[UREG_I6];
- if (!(test_thread_flag(TIF_32BIT)))
+ if (test_thread_64bit_stack(usp))
usp += STACK_BIAS;
- else
+
+ if (test_thread_flag(TIF_32BIT))
usp &= 0xffffffffUL;
usp -= len;