linux-kernel - [PATCH 4.9 145/310] ASoC: Intel: sst: Fix the return value of sst_send_byte_stream

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Message-Id: <20180411183628.683371924@linuxfoundation.org>
Date:   Wed, 11 Apr 2018 20:34:44 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.9 145/310] ASoC: Intel: sst: Fix the return value of sst_send_byte_stream_mrfld()

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Christophe JAILLET <christophe.jaillet@...adoo.fr>


[ Upstream commit eaadb1caa966a91128297b754e90b7c92b350a00 ]

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: 3d9ff34622ba ("ASoC: Intel: sst: add stream operations")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 sound/soc/intel/atom/sst/sst_stream.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/sound/soc/intel/atom/sst/sst_stream.c
+++ b/sound/soc/intel/atom/sst/sst_stream.c
@@ -221,7 +221,7 @@ int sst_send_byte_stream_mrfld(struct in
 		sst_free_block(sst_drv_ctx, block);
 out:
 	test_and_clear_bit(pvt_id, &sst_drv_ctx->pvt_id);
-	return 0;
+	return ret;
 }
 
 /*