Revert "dsp: ion: avoid dma_buf_put twice when msm_audio_ion_map_buf fails"

This reverts commit 48ff19f07187319ac3a49d75b1ff2c7bdf49c3ea.

Change-Id: I446016ea63e45ece389096cd02a60fdff1820b00

dsp/msm_audio_ion_vm.c

@@ -582,13 +582,17 @@ int msm_audio_ion_alloc(struct dma_buf **dma_buf, size_t bufsz,
 	rc = msm_audio_ion_map_buf(*dma_buf, paddr, plen, vaddr);
 	if (rc) {
 		pr_err("%s: failed to map ION buf, rc = %d\n", __func__, rc);
-		goto err;
+		goto err_dma_buf;
 	}
 	pr_debug("%s: mapped address = %pK, size=%zd\n", __func__,
 		*vaddr, bufsz);
 
 	memset(*vaddr, 0, bufsz);
 
+	return rc;
+
+err_dma_buf:
+	dma_buf_put(*dma_buf);
 err:
 	return rc;
 }