summaryrefslogtreecommitdiff
path: root/include/linux/regset.h
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2012-03-15 14:24:32 +0400
committerDave Airlie <airlied@redhat.com>2012-03-15 14:24:32 +0400
commit8229c885fe361e521ac64de36b16011e54a30de0 (patch)
tree572e5d34b16713ddef9e803308c6f72014aff01b /include/linux/regset.h
parentc3c50e8b651887bcefcc13beb3739c00b2379b5c (diff)
parentfde7d9049e55ab85a390be7f415d74c9f62dd0f9 (diff)
downloadlinux-8229c885fe361e521ac64de36b16011e54a30de0.tar.xz
drm: Merge tag 'v3.3-rc7' into drm-core-next
Merge the fixes so far into core-next, needed to test intel driver. Conflicts: drivers/gpu/drm/i915/intel_ringbuffer.c
Diffstat (limited to 'include/linux/regset.h')
-rw-r--r--include/linux/regset.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/include/linux/regset.h b/include/linux/regset.h
index 8abee6556223..686f37327a49 100644
--- 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);
}