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>
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index 7cdcd16..e89eaf4 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -215,7 +215,7 @@
*/
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 @@
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;
}