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由 Dan Carpenter 提交于
copy_from_user() returns the number of bytes remaining but we want to return a negative error code here. Signed-off-by: NDan Carpenter <error27@gmail.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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copy_from_user() returns the number of bytes remaining but we want to return a negative error code here. Signed-off-by: NDan Carpenter <error27@gmail.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>