Thread (6 messages) 6 messages, 3 authors, 2021-11-11

RE: [PATCH] remoteproc: imx_rproc: Fix a resource leak in the remove function

From: Peng Fan <peng.fan@nxp.com>
Date: 2021-11-10 08:45:34
Also in: kernel-janitors, linux-remoteproc, lkml

Subject: [PATCH] remoteproc: imx_rproc: Fix a resource leak in the remove
function

'priv->workqueue' is destroyed in the error handling path of the probe but not
in the remove function.

Add the missing call to release some resources.

Fixes: 2df7062002d0 ("remoteproc: imx_proc: enable virtio/mailbox")
Signed-off-by: Christophe JAILLET <redacted>

Tested-by: Peng Fan <peng.fan@nxp.com>
quoted hunk ↗ jump to hunk
---
This patch is speculative. I'm not sure if the added function call is at the right
place in the remove function.
Review with care.
---
 drivers/remoteproc/imx_rproc.c | 1 +
 1 file changed, 1 insertion(+)
diff --git a/drivers/remoteproc/imx_rproc.c
b/drivers/remoteproc/imx_rproc.c index ff8170dbbc3c..0a45bc0d3f73
100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -804,6 +804,7 @@ static int imx_rproc_remove(struct platform_device
*pdev)
 	clk_disable_unprepare(priv->clk);
 	rproc_del(rproc);
 	imx_rproc_free_mbox(rproc);
+	destroy_workqueue(priv->workqueue);
 	rproc_free(rproc);

 	return 0;
--
2.30.2

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