1 files changed, 5 insertions, 0 deletions

diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c
index 2c5df818c65..ee24d814d5b 100644
--- a/arch/mips/kernel/signal_n32.c
+++ b/arch/mips/kernel/signal_n32.c
@@ -109,6 +109,7 @@ asmlinkage int sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
 asmlinkage void sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
 {
         struct rt_sigframe_n32 __user *frame;
+        mm_segment_t old_fs;
         sigset_t set;
         stack_t st;
         s32 sp;
@@ -143,7 +144,11 @@ asmlinkage void sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
 
         /* It is more difficult to avoid calling this function than to
            call it and ignore errors.  */
+        old_fs = get_fs();
+        set_fs(KERNEL_DS);
         do_sigaltstack((stack_t __user *)&st, NULL, regs.regs[29]);
+        set_fs(old_fs);
+
 
         /*
          * Don't let your children do this ...