linux-kernel - [PATCH 5.14 011/172] ASoC: SOF: Fix DSP oops stack dump output contents

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Date:   Mon,  4 Oct 2021 14:51:01 +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, Yong Zhi <yong.zhi@...el.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Daniel Baluta <daniel.baluta@...il.com>,
        Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.14 011/172] ASoC: SOF: Fix DSP oops stack dump output contents

From: Yong Zhi <yong.zhi@...el.com>

[ Upstream commit ac4dfccb96571ca03af7cac64b7a0b2952c97f3a ]

Fix @buf arg given to hex_dump_to_buffer() and stack address used
in dump error output.

Fixes: e657c18a01c8 ('ASoC: SOF: Add xtensa support')
Signed-off-by: Yong Zhi <yong.zhi@...el.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Reviewed-by: Daniel Baluta <daniel.baluta@...il.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>
Link: https://lore.kernel.org/r/20210915063230.29711-1-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/soc/sof/xtensa/core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/sof/xtensa/core.c b/sound/soc/sof/xtensa/core.c
index bbb9a2282ed9..f6e3411b33cf 100644
--- a/sound/soc/sof/xtensa/core.c
+++ b/sound/soc/sof/xtensa/core.c
@@ -122,9 +122,9 @@ static void xtensa_stack(struct snd_sof_dev *sdev, void *oops, u32 *stack,
 	 * 0x0049fbb0: 8000f2d0 0049fc00 6f6c6c61 00632e63
 	 */
 	for (i = 0; i < stack_words; i += 4) {
-		hex_dump_to_buffer(stack + i * 4, 16, 16, 4,
+		hex_dump_to_buffer(stack + i, 16, 16, 4,
 				   buf, sizeof(buf), false);
-		dev_err(sdev->dev, "0x%08x: %s\n", stack_ptr + i, buf);
+		dev_err(sdev->dev, "0x%08x: %s\n", stack_ptr + i * 4, buf);
 	}
 }
 
-- 
2.33.0