| commit | 12f0258d5b44b3b5a9442ec461bbac1f7edab8c6 | [log] [tgz] |
|---|---|---|
| author | Dan Carpenter <error27@gmail.com> | Sat Mar 19 08:44:34 2011 +0300 |
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | Thu Mar 24 10:32:44 2011 -0400 |
| tree | 9dbaf66cde561ec613e5bd838a7a52642c3b1ae4 | |
| parent | 804f18536984939622ddca60ab6b25743e0ec68d [diff] |
xen-gntdev: return -EFAULT on copy_to_user failure copy_to_user() returns the amount of data remaining to be copied. We want to return a negative error code here. The upper layers just call WARN_ON() if we return non-zero so this doesn't change the behavior. But returning -EFAULT is still cleaner. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>