ASoC: Intel: sst: Fix the return value of 'sst_send_byte_stream_mrfld()'

[ Upstream commit eaadb1c ]

In some error handling paths, an error code is assiegned to 'ret'.
However, the function always return 0.

Fix it and return the error code if such an error paths is taken.

Fixes: 3d9ff34 ("ASoC: Intel: sst: add stream operations")
Signed-off-by: Christophe JAILLET <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

sound/soc/intel/atom/sst/sst_stream.c

@@ -221,7 +221,7 @@ int sst_send_byte_stream_mrfld(struct intel_sst_drv *sst_drv_ctx,
 		sst_free_block(sst_drv_ctx, block);
 out:
 	test_and_clear_bit(pvt_id, &sst_drv_ctx->pvt_id);
-	return 0;
+	return ret;
 }
 
 /*