Merge branch 'linus'

[mv-sheeva.git] / arch / um / sys-i386 / signal.c

diff --git a/arch/um/sys-i386/signal.c b/arch/um/sys-i386/signal.c
index f5d0e1c37ea263950d03d33a6edb50ce0966da81..3f6acd6677179ff30d1cd3b2a3ecac39195466dd 100644 (file)
--- a/arch/um/sys-i386/signal.c
+++ b/arch/um/sys-i386/signal.c
@@ -57,7 +57,7 @@ static int copy_sc_from_user_skas(struct pt_regs *regs,
        return(0);
 }
 
-int copy_sc_to_user_skas(struct sigcontext *to, struct _fpstate __user *to_fp,
+int copy_sc_to_user_skas(struct sigcontext __user *to, struct _fpstate __user *to_fp,
                          struct pt_regs *regs, unsigned long sp)
 {
        struct sigcontext sc;
@@ -132,7 +132,7 @@ int copy_sc_from_user_tt(struct sigcontext *to, struct sigcontext __user *from,
        return(err);
 }
 
-int copy_sc_to_user_tt(struct sigcontext *to, struct _fpstate __user *fp,
+int copy_sc_to_user_tt(struct sigcontext __user *to, struct _fpstate __user *fp,
                       struct sigcontext *from, int fpsize, unsigned long sp)
 {
        struct _fpstate __user *to_fp;
@@ -147,7 +147,7 @@ int copy_sc_to_user_tt(struct sigcontext *to, struct _fpstate __user *fp,
         * delivery.  The sp passed in is the original, and this needs
         * to be restored, so we stick it in separately.
         */
-       err |= copy_to_user(&SC_SP(to), sp, sizeof(sp));
+       err |= copy_to_user(&SC_SP(to), &sp, sizeof(sp));
 
        if(from_fp != NULL){
                err |= copy_to_user(&to->fpstate, &to_fp, sizeof(to->fpstate));
@@ -167,7 +167,7 @@ static int copy_sc_from_user(struct pt_regs *to, void __user *from)
        return(ret);
 }
 
-static int copy_sc_to_user(struct sigcontext *to, struct _fpstate __user *fp,
+static int copy_sc_to_user(struct sigcontext __user *to, struct _fpstate __user *fp,
                           struct pt_regs *from, unsigned long sp)
 {
        return(CHOOSE_MODE(copy_sc_to_user_tt(to, fp, UPT_SC(&from->regs),
@@ -219,7 +219,8 @@ int setup_signal_stack_sc(unsigned long stack_top, int sig,
        unsigned long save_sp = PT_REGS_SP(regs);
        int err = 0;
 
-       stack_top &= -8UL;
+       /* This is the same calculation as i386 - ((sp + 4) & 15) == 0 */
+       stack_top = ((stack_top + 4) & -16UL) - 4;
        frame = (struct sigframe __user *) stack_top - 1;
        if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
                return 1;