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[ Upstream commite0b0cb9388] In hgcm_call_preprocess_linaddr memory is allocated for bounce_buf but is not released if copy_form_user fails. In order to prevent memory leak in case of failure, the assignment to bounce_buf_ret is moved before the error check. This way the allocated bounce_buf will be released by the caller. Fixes:579db9d45c("virt: Add vboxguest VMMDEV communication code") Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20190930204223.3660-1-navid.emamdoost@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>