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drm/vmwgfx: return -EFAULT for copy_to_user errors
authorDan Carpenter <error27@gmail.com>
Fri, 4 Jun 2010 10:24:13 +0000 (12:24 +0200)
committerDave Airlie <airlied@redhat.com>
Mon, 7 Jun 2010 23:33:41 +0000 (09:33 +1000)
copy_to/from_user() returns the number of bytes remaining to be copied
but we want to return a negative error code here.  This gets returned to
userspace.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

No differences found
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