Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[linux-2.6-omap-h63xx.git] / arch / um / sys-i386 / ptrace.c

diff --git a/arch/um/sys-i386/ptrace.c b/arch/um/sys-i386/ptrace.c
index bd3da8a61f645810bc7af9ec42a6db240379b778..c9b176534d65bd15d97a86769cf978c510b7c475 100644 (file)
--- a/arch/um/sys-i386/ptrace.c
+++ b/arch/um/sys-i386/ptrace.c
@@ -8,11 +8,11 @@
 #include "asm/uaccess.h"
 #include "skas.h"
 
-extern int arch_switch_tls(struct task_struct *from, struct task_struct *to);
+extern int arch_switch_tls(struct task_struct *to);
 
-void arch_switch_to(struct task_struct *from, struct task_struct *to)
+void arch_switch_to(struct task_struct *to)
 {
-       int err = arch_switch_tls(from, to);
+       int err = arch_switch_tls(to);
        if (!err)
                return;
 
@@ -148,14 +148,13 @@ int peek_user(struct task_struct *child, long addr, long data)
 int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
 {
        int err, n, cpu = ((struct thread_info *) child->stack)->cpu;
-       long fpregs[HOST_FP_SIZE];
+       struct user_i387_struct fpregs;
 
-       BUG_ON(sizeof(*buf) != sizeof(fpregs));
-       err = save_fp_registers(userspace_pid[cpu], fpregs);
+       err = save_fp_registers(userspace_pid[cpu], (unsigned long *) &fpregs);
        if (err)
                return err;
 
-       n = copy_to_user(buf, fpregs, sizeof(fpregs));
+       n = copy_to_user(buf, &fpregs, sizeof(fpregs));
        if(n > 0)
                return -EFAULT;
 
@@ -165,27 +164,26 @@ int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
 int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
 {
        int n, cpu = ((struct thread_info *) child->stack)->cpu;
-       long fpregs[HOST_FP_SIZE];
+       struct user_i387_struct fpregs;
 
-       BUG_ON(sizeof(*buf) != sizeof(fpregs));
-       n = copy_from_user(fpregs, buf, sizeof(fpregs));
+       n = copy_from_user(&fpregs, buf, sizeof(fpregs));
        if (n > 0)
                return -EFAULT;
 
-       return restore_fp_registers(userspace_pid[cpu], fpregs);
+       return restore_fp_registers(userspace_pid[cpu],
+                                   (unsigned long *) &fpregs);
 }
 
 int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
 {
        int err, n, cpu = ((struct thread_info *) child->stack)->cpu;
-       long fpregs[HOST_XFP_SIZE];
+       struct user_fxsr_struct fpregs;
 
-       BUG_ON(sizeof(*buf) != sizeof(fpregs));
-       err = save_fpx_registers(userspace_pid[cpu], fpregs);
+       err = save_fpx_registers(userspace_pid[cpu], (unsigned long *) &fpregs);
        if (err)
                return err;
 
-       n = copy_to_user(buf, fpregs, sizeof(fpregs));
+       n = copy_to_user(buf, &fpregs, sizeof(fpregs));
        if(n > 0)
                return -EFAULT;
 
@@ -195,14 +193,14 @@ int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
 int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
 {
        int n, cpu = ((struct thread_info *) child->stack)->cpu;
-       long fpregs[HOST_XFP_SIZE];
+       struct user_fxsr_struct fpregs;
 
-       BUG_ON(sizeof(*buf) != sizeof(fpregs));
-       n = copy_from_user(fpregs, buf, sizeof(fpregs));
+       n = copy_from_user(&fpregs, buf, sizeof(fpregs));
        if (n > 0)
                return -EFAULT;
 
-       return restore_fpx_registers(userspace_pid[cpu], fpregs);
+       return restore_fpx_registers(userspace_pid[cpu],
+                                    (unsigned long *) &fpregs);
 }
 
 long subarch_ptrace(struct task_struct *child, long request, long addr,