4 files changed, 7 insertions, 7 deletions

diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index 7358cdb8441f..4ff6808456ea 100644
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -143,7 +143,7 @@ int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
                         break;
                 case __SI_FAULT >> 16:
                         err |= __get_user(tmp, &from->si_addr);
-                        to->si_addr = (void *)(u64) (tmp & PSW32_ADDR_INSN);
+                        to->si_addr = (void __user *)(u64) (tmp & PSW32_ADDR_INSN);
                         break;
                 case __SI_POLL >> 16:
                         err |= __get_user(to->si_band, &from->si_band);
@@ -338,7 +338,7 @@ sys32_sigaltstack(const stack_t32 __user *uss, stack_t32 __user *uoss,
                 err |= __get_user(kss.ss_flags, &uss->ss_flags);
                 if (err)
                         return -EFAULT;
-                kss.ss_sp = (void *) ss_sp;
+                kss.ss_sp = (void __user *) ss_sp;
         }
 
         set_fs (KERNEL_DS);
@@ -461,7 +461,7 @@ asmlinkage long sys32_rt_sigreturn(struct pt_regs *regs)
                 goto badframe;
 
         err = __get_user(ss_sp, &frame->uc.uc_stack.ss_sp);
-        st.ss_sp = (void *) A((unsigned long)ss_sp);
+        st.ss_sp = compat_ptr(ss_sp);
         err |= __get_user(st.ss_size, &frame->uc.uc_stack.ss_size);
         err |= __get_user(st.ss_flags, &frame->uc.uc_stack.ss_flags);
         if (err)
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index 6a3f5b7473a9..6e0110d71191 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -376,8 +376,8 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 
         /* Create the ucontext.  */
         err |= __put_user(0, &frame->uc.uc_flags);
-        err |= __put_user(0, &frame->uc.uc_link);
-        err |= __put_user((void *)current->sas_ss_sp, &frame->uc.uc_stack.ss_sp);
+        err |= __put_user(NULL, &frame->uc.uc_link);
+        err |= __put_user((void __user *)current->sas_ss_sp, &frame->uc.uc_stack.ss_sp);
         err |= __put_user(sas_ss_flags(regs->gprs[15]),
                           &frame->uc.uc_stack.ss_flags);
         err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
diff --git a/include/asm-s390/sigcontext.h b/include/asm-s390/sigcontext.h
index d57bc0cebdce..803545351dd8 100644
--- a/include/asm-s390/sigcontext.h
+++ b/include/asm-s390/sigcontext.h
@@ -61,7 +61,7 @@ typedef struct
 struct sigcontext
 {
         unsigned long   oldmask[_SIGCONTEXT_NSIG_WORDS];
-        _sigregs        *sregs;
+        _sigregs        __user *sregs;
 };
 
 
diff --git a/include/asm-s390/signal.h b/include/asm-s390/signal.h
index 3d6e11c6c1fd..7084626de215 100644
--- a/include/asm-s390/signal.h
+++ b/include/asm-s390/signal.h
@@ -165,7 +165,7 @@ struct sigaction {
 #endif /* __KERNEL__ */
 
 typedef struct sigaltstack {
-        void *ss_sp;
+        void __user *ss_sp;
         int ss_flags;
         size_t ss_size;
 } stack_t;