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authorDavid S. Miller <davem@davemloft.net>2012-03-05 21:16:26 -0500
committerDavid S. Miller <davem@davemloft.net>2012-03-05 21:16:26 -0500
commitf6a1ad4295f9291038380178d09978caf6982dd8 (patch)
tree7c35e8efe1812baca9c6b9674be1ee02a0495ec3 /include/linux/regset.h
parent036dafa28da1e2565a8529de2ae663c37b7a0060 (diff)
parentf3969bf78f140f437f51787dfc2751943ba454d1 (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/vmxnet3/vmxnet3_drv.c Small vmxnet3 conflict with header size bug fix in 'net'. Signed-off-by: David S. Miller <davem@davemloft.net>
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);
}