x86: signal: add __user annotation

Impact: cleanup

Add missing __user annotation to the parameter of get_sigframe().
Also change cast type to void __user * of *fpstate.

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index 7cdcd16885ed..e89eaf417e55 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -215,7 +215,7 @@ static const struct {
  */
 static inline void __user *
 get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size,
-             void **fpstate)
+             void __user **fpstate)
 {
         unsigned long sp;
 
@@ -243,7 +243,7 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size,
 
         if (used_math()) {
                 sp = sp - sig_xstate_size;
-                *fpstate = (struct _fpstate *) sp;
+                *fpstate = (void __user *) sp;
                 if (save_i387_xstate(*fpstate) < 0)
                         return (void __user *)-1L;
         }