dsp_code struct is not created if firmware is invalid, so check
and zero of firmware pointer is not necessary
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
 /*-------------------------------------------------------------------*/
 void hpi_dsp_code_close(struct dsp_code *dsp_code)
 {
-       if (dsp_code->pvt->firmware) {
-               HPI_DEBUG_LOG(DEBUG, "dsp code closed\n");
-               release_firmware(dsp_code->pvt->firmware);
-               dsp_code->pvt->firmware = NULL;
-       }
+       HPI_DEBUG_LOG(DEBUG, "dsp code closed\n");
+       release_firmware(dsp_code->pvt->firmware);
        kfree(dsp_code->pvt);
 }