[MIPS] Sparse: Add some __user tags to signal functions.

    
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 7 insertions, 7 deletions

diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index 7d1800fe7038..e8e43bd57a09 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -199,10 +199,10 @@ save_static_function(sys_sigreturn);
 __attribute_used__ noinline static void
 _sys_sigreturn(nabi_no_regargs struct pt_regs regs)
 {
-        struct sigframe *frame;
+        struct sigframe __user *frame;
         sigset_t blocked;
 
-        frame = (struct sigframe *) regs.regs[29];
+        frame = (struct sigframe __user *) regs.regs[29];
         if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
                 goto badframe;
         if (__copy_from_user(&blocked, &frame->sf_mask, sizeof(blocked)))
@@ -236,11 +236,11 @@ save_static_function(sys_rt_sigreturn);
 __attribute_used__ noinline static void
 _sys_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
 {
-        struct rt_sigframe *frame;
+        struct rt_sigframe __user *frame;
         sigset_t set;
         stack_t st;
 
-        frame = (struct rt_sigframe *) regs.regs[29];
+        frame = (struct rt_sigframe __user *) regs.regs[29];
         if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
                 goto badframe;
         if (__copy_from_user(&set, &frame->rs_uc.uc_sigmask, sizeof(set)))
@@ -259,7 +259,7 @@ _sys_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
                 goto badframe;
         /* It is more difficult to avoid calling this function than to
            call it and ignore errors.  */
-        do_sigaltstack(&st, NULL, regs.regs[29]);
+        do_sigaltstack((stack_t __user *)&st, NULL, regs.regs[29]);
 
         /*
          * Don't let your children do this ...
@@ -279,7 +279,7 @@ badframe:
 int setup_frame(struct k_sigaction * ka, struct pt_regs *regs,
         int signr, sigset_t *set)
 {
-        struct sigframe *frame;
+        struct sigframe __user *frame;
         int err = 0;
 
         frame = get_sigframe(ka, regs, sizeof(*frame));
@@ -326,7 +326,7 @@ give_sigsegv:
 int setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
         int signr, sigset_t *set, siginfo_t *info)
 {
-        struct rt_sigframe *frame;
+        struct rt_sigframe __user *frame;
         int err = 0;
 
         frame = get_sigframe(ka, regs, sizeof(*frame));