[Blackfin] arch: add missing __user marking to ss_sp member of signalstack and a few userspace system functions

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c
index 85caf9b711a1..b4f062c172c6 100644
--- a/arch/blackfin/kernel/ptrace.c
+++ b/arch/blackfin/kernel/ptrace.c
@@ -193,6 +193,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 {
         int ret;
         int add = 0;
+        unsigned long __user *datap = (unsigned long __user *)data;
 
         switch (request) {
                 /* when I and D space are separate, these will need to be fixed. */
@@ -229,7 +230,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                         pr_debug("ptrace: copied size %d [0x%08lx]\n", copied, tmp);
                         if (copied != sizeof(tmp))
                                 break;
-                        ret = put_user(tmp, (unsigned long *)data);
+                        ret = put_user(tmp, datap);
                         break;
                 }
 
@@ -263,7 +264,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                         } else {
                                 tmp = get_reg(child, addr);
                         }
-                        ret = put_user(tmp, (unsigned long *)data);
+                        ret = put_user(tmp, datap);
                         break;
                 }
 
@@ -389,7 +390,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                 {
 
                         /* Get all gp regs from the child. */
-                        ret = ptrace_getregs(child, (void __user *)data);
+                        ret = ptrace_getregs(child, datap);
                         break;
                 }