[PATCH 1/6] remoteproc: omap: Use devm_rproc_alloc() helper

From: Andrew Davis
Date: Mon Jun 10 2024 - 11:22:37 EST


Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.

Signed-off-by: Andrew Davis <afd@xxxxxx>
---
drivers/remoteproc/omap_remoteproc.c | 20 ++++++++------------
1 file changed, 8 insertions(+), 12 deletions(-)

diff --git a/drivers/remoteproc/omap_remoteproc.c b/drivers/remoteproc/omap_remoteproc.c
index 8f50ab80e56f4..e91e016583802 100644
--- a/drivers/remoteproc/omap_remoteproc.c
+++ b/drivers/remoteproc/omap_remoteproc.c
@@ -1305,8 +1305,8 @@ static int omap_rproc_probe(struct platform_device *pdev)
return ret;
}

- rproc = rproc_alloc(&pdev->dev, dev_name(&pdev->dev), &omap_rproc_ops,
- firmware, sizeof(*oproc));
+ rproc = devm_rproc_alloc(&pdev->dev, dev_name(&pdev->dev), &omap_rproc_ops,
+ firmware, sizeof(*oproc));
if (!rproc)
return -ENOMEM;

@@ -1318,15 +1318,15 @@ static int omap_rproc_probe(struct platform_device *pdev)

ret = omap_rproc_of_get_internal_memories(pdev, rproc);
if (ret)
- goto free_rproc;
+ return ret;

ret = omap_rproc_get_boot_data(pdev, rproc);
if (ret)
- goto free_rproc;
+ return ret;

ret = omap_rproc_of_get_timers(pdev, rproc);
if (ret)
- goto free_rproc;
+ return ret;

init_completion(&oproc->pm_comp);
oproc->autosuspend_delay = DEFAULT_AUTOSUSPEND_DELAY;
@@ -1337,10 +1337,8 @@ static int omap_rproc_probe(struct platform_device *pdev)
pm_runtime_set_autosuspend_delay(&pdev->dev, oproc->autosuspend_delay);

oproc->fck = devm_clk_get(&pdev->dev, 0);
- if (IS_ERR(oproc->fck)) {
- ret = PTR_ERR(oproc->fck);
- goto free_rproc;
- }
+ if (IS_ERR(oproc->fck))
+ return PTR_ERR(oproc->fck);

ret = of_reserved_mem_device_init(&pdev->dev);
if (ret) {
@@ -1359,8 +1357,7 @@ static int omap_rproc_probe(struct platform_device *pdev)

release_mem:
of_reserved_mem_device_release(&pdev->dev);
-free_rproc:
- rproc_free(rproc);
+
return ret;
}

@@ -1369,7 +1366,6 @@ static void omap_rproc_remove(struct platform_device *pdev)
struct rproc *rproc = platform_get_drvdata(pdev);

rproc_del(rproc);
- rproc_free(rproc);
of_reserved_mem_device_release(&pdev->dev);
}

--
2.39.2