linux-kernel - [PATCH] remoteproc: mtk_scp: Fix a potential double free

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Message-Id: <1d15923b4ffb94531435c48482fef276a11b9a67.1648981531.git.christophe.jaillet@wanadoo.fr>
Date:   Sun,  3 Apr 2022 12:25:39 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-remoteproc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: [PATCH] remoteproc: mtk_scp: Fix a potential double free

'scp->rproc' is allocated using devm_rproc_alloc(), so there is no need
to free it explicitly in the remove function.

Fixes: c1407ac1099a ("remoteproc: mtk_scp: Use devm variant of rproc_alloc()")
---
 drivers/remoteproc/mtk_scp.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c
index 38609153bf64..4a0e6c4bc6f4 100644
--- a/drivers/remoteproc/mtk_scp.c
+++ b/drivers/remoteproc/mtk_scp.c
@@ -877,7 +877,6 @@ static int scp_remove(struct platform_device *pdev)
 	for (i = 0; i < SCP_IPI_MAX; i++)
 		mutex_destroy(&scp->ipi_desc[i].lock);
 	mutex_destroy(&scp->send_lock);
-	rproc_free(scp->rproc);
 
 	return 0;
 }
-- 
2.32.0