The dma_pool_destroy() function tests whether its argument is NULL
and then returns immediately. Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Cc: Greg KH <gregkh@linuxfoundation.org>
Cc: Julia Lawall <julia.lawall@lip6.fr>
Cc: Mike Waychison <mikew@google.com>
Cc: Michel Lespinasse <walken@google.com>
Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
        gsmi_buf_free(gsmi_dev.param_buf);
        gsmi_buf_free(gsmi_dev.data_buf);
        gsmi_buf_free(gsmi_dev.name_buf);
-       if (gsmi_dev.dma_pool)
-               dma_pool_destroy(gsmi_dev.dma_pool);
+       dma_pool_destroy(gsmi_dev.dma_pool);
        platform_device_unregister(gsmi_dev.pdev);
        pr_info("gsmi: failed to load: %d\n", ret);
        return ret;