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dan.carpenter@oracle.com authored
copy_to_user() to user returns the number of bytes that weren't copied, but we should be returning -EFAULT to the user. Fixes: 874bcba6 ("staging: pi433: New driver") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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