cpuset: PF_SPREAD_PAGE and PF_SPREAD_SLAB should be atomic flags

[pandora-kernel.git] / include / linux / regset.h

diff --git a/include/linux/regset.h b/include/linux/regset.h
index 8abee65..686f373 100644 (file)
--- a/include/linux/regset.h
+++ b/include/linux/regset.h
@@ -335,8 +335,11 @@ static inline int copy_regset_to_user(struct task_struct *target,
 {
        const struct user_regset *regset = &view->regsets[setno];
 
+       if (!regset->get)
+               return -EOPNOTSUPP;
+
        if (!access_ok(VERIFY_WRITE, data, size))
-               return -EIO;
+               return -EFAULT;
 
        return regset->get(target, regset, offset, size, NULL, data);
 }
@@ -358,8 +361,11 @@ static inline int copy_regset_from_user(struct task_struct *target,
 {
        const struct user_regset *regset = &view->regsets[setno];
 
+       if (!regset->set)
+               return -EOPNOTSUPP;
+
        if (!access_ok(VERIFY_READ, data, size))
-               return -EIO;
+               return -EFAULT;
 
        return regset->set(target, regset, offset, size, NULL, data);
 }