Skip to contentSkip to conversation

soc: qcom: rmtfs-mem: fix memleak in probe error paths

PATCH In review Johan Hovold 1 participant 2 messages Jun 12, 2018 – Jul 6, 2018

Subsystems (3)
lore
Share & tools
lore
#0 lore raw

PATCH 1/1 soc: qcom: rmtfs-mem: fix memleak in probe error paths

Make sure to set the mem device release callback before calling put_device() in a couple of probe error paths so that the containing object also gets freed.

Fixes d1de6d6c639b ("soc: qcom: Remote filesystem memory driver")
Cc stable <[email protected]> # 4.15
Cc Bjorn Andersson <[email protected]>
---
 drivers/soc/qcom/rmtfs_mem.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
drivers/soc/qcom/rmtfs_mem.c +1 -2
index c8999e38b005..8a3678c2e83c 100644
@@ -184,6 +184,7 @@ static int qcom_rmtfs_mem_probe(struct platform_device *pdev)
 	device_initialize(&rmtfs_mem->dev);
 	rmtfs_mem->dev.parent = &pdev->dev;
 	rmtfs_mem->dev.groups = qcom_rmtfs_mem_groups;
+	rmtfs_mem->dev.release = qcom_rmtfs_mem_release_device;
 
 	rmtfs_mem->base = devm_memremap(&rmtfs_mem->dev, rmtfs_mem->addr,
 					rmtfs_mem->size, MEMREMAP_WC);
@@ -206,8 +207,6 @@ static int qcom_rmtfs_mem_probe(struct platform_device *pdev)
 		goto put_device;
 	}
 
-	rmtfs_mem->dev.release = qcom_rmtfs_mem_release_device;
-
 	ret = of_property_read_u32(node, "qcom,vmid", &vmid);
 	if (ret < 0 && ret != -EINVAL) {
 		dev_err(&pdev->dev, "failed to parse qcom,vmid\n");
Signature · 1 line
2.17.1
#1 lore raw
Quoted 8 lines · Johan Hovold

Make sure to set the mem device release callback before calling put_device() in a couple of probe error paths so that the containing object also gets freed.

Fixes d1de6d6c639b ("soc: qcom: Remote filesystem memory driver")
Cc stable <[email protected]> # 4.15
Cc Bjorn Andersson <[email protected]>

I noticed that this one hasn't made it into linux-next yet, so sending a reminder.

Quoted 17 lines
---
 drivers/soc/qcom/rmtfs_mem.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
drivers/soc/qcom/rmtfs_mem.c +1 -0
index c8999e38b005..8a3678c2e83c 100644
@@ -184,6 +184,7 @@ static int qcom_rmtfs_mem_probe(struct platform_device *pdev)
 	device_initialize(&rmtfs_mem->dev);
 	rmtfs_mem->dev.parent = &pdev->dev;
 	rmtfs_mem->dev.groups = qcom_rmtfs_mem_groups;
+	rmtfs_mem->dev.release = qcom_rmtfs_mem_release_device;
 
 	rmtfs_mem->base = devm_memremap(&rmtfs_mem->dev, rmtfs_mem->addr,
 					rmtfs_mem->size, MEMREMAP_WC);

drivers/soc/qcom/rmtfs_mem.c static int qcom_rmtfs_mem_probe(struct platform_device *pdev) · line 212

Quoted 8 lines
drivers/soc/qcom/rmtfs_mem.c +0 -2
@@ -206,8 +207,6 @@ static int qcom_rmtfs_mem_probe(struct platform_device *pdev)
 		goto put_device;
 	}
 
-	rmtfs_mem->dev.release = qcom_rmtfs_mem_release_device;
-
 	ret = of_property_read_u32(node, "qcom,vmid", &vmid);
 	if (ret < 0 && ret != -EINVAL) {
 		dev_err(&pdev->dev, "failed to parse qcom,vmid\n");

Thanks,
Johan