[PATCH 5/8] remoteproc: k3-dsp: Use devm_kzalloc() helper

From: Andrew Davis
Date: Tue Jan 23 2024 - 13:57:55 EST


Use device lifecycle managed devm_kzalloc() helper function. This helps
prevent mistakes like freeing out of order in cleanup functions and
forgetting to free on all error paths.

Signed-off-by: Andrew Davis <afd@xxxxxx>
---
drivers/remoteproc/ti_k3_dsp_remoteproc.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/remoteproc/ti_k3_dsp_remoteproc.c b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
index 0240340a83e90..2aac25d013985 100644
--- a/drivers/remoteproc/ti_k3_dsp_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
@@ -659,7 +659,7 @@ struct ti_sci_proc *k3_dsp_rproc_of_get_tsp(struct device *dev,
if (ret < 0)
return ERR_PTR(ret);

- tsp = kzalloc(sizeof(*tsp), GFP_KERNEL);
+ tsp = devm_kzalloc(dev, sizeof(*tsp), GFP_KERNEL);
if (!tsp)
return ERR_PTR(-ENOMEM);

@@ -729,7 +729,7 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
ret = ti_sci_proc_request(kproc->tsp);
if (ret < 0) {
dev_err_probe(dev, ret, "ti_sci_proc_request failed\n");
- goto free_tsp;
+ return ret;
}

ret = k3_dsp_rproc_of_get_memories(pdev, kproc);
@@ -796,8 +796,6 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
ret1 = ti_sci_proc_release(kproc->tsp);
if (ret1)
dev_err(dev, "failed to release proc (%pe)\n", ERR_PTR(ret1));
-free_tsp:
- kfree(kproc->tsp);
return ret;
}

@@ -823,8 +821,6 @@ static void k3_dsp_rproc_remove(struct platform_device *pdev)
if (ret)
dev_err(dev, "failed to release proc (%pe)\n", ERR_PTR(ret));

- kfree(kproc->tsp);
-
k3_dsp_reserved_mem_exit(kproc);
}

--
2.39.2